CN106050681A - Water pump with double water outlets - Google Patents
Water pump with double water outlets Download PDFInfo
- Publication number
- CN106050681A CN106050681A CN201610633247.6A CN201610633247A CN106050681A CN 106050681 A CN106050681 A CN 106050681A CN 201610633247 A CN201610633247 A CN 201610633247A CN 106050681 A CN106050681 A CN 106050681A
- Authority
- CN
- China
- Prior art keywords
- outlet
- pump
- valve body
- gate valve
- water pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 238000007789 sealing Methods 0.000 claims description 28
- 238000010276 construction Methods 0.000 description 9
- 239000007788 liquid Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
- F04D15/0022—Control, e.g. regulation, of pumps, pumping installations or systems by using valves throttling valves or valves varying the pump inlet opening or the outlet opening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
- F04D29/4293—Details of fluid inlet or outlet
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a water pump with double water outlets, and belongs to the technical field of water pumps. The water pump with the double water outlets solves the problems that existing water pumps are inconvenient to use and small in application range. The water pump with the double water outlets comprises a motor and a pump body; the pump body comprises a pump cavity, a water inlet, the first water outlet and the second water outlet, wherein the water inlet, the first water outlet and the second water outlet communicate with the pump cavity; and an impeller is arranged inside the pump body, a rotating shaft of the motor can drive the impeller to rotate, and a sluice valve body is arranged between the first water outlet and the second water outlet and can block any water outlet. The water pump with the double water outlets has the advantages of being convenient to use and wide in application range.
Description
Technical field
The invention belongs to pump technology field, relate to a kind of double outlets water pump.
Background technology
Water pump is conveying liquid or the machinery making fluid pressurization.It is by the mechanical energy of prime mover or other external energy transmission
Liquid, makes liquid energy increase, and is mainly used to carry liquid and includes water, oil, acid & alkali liquid, emulsion, suspended emulsion and liquid gold
Belong to, it is possible to conveying liquid, admixture of gas and the liquid containing suspended solids.The technical parameter weighing pump performance has stream
Amount, suction, lift, shaft power, water-horse power, efficiency etc.；The classes such as volume water pump, vane pump can be divided into according to different operation principles
Type.
General water pump arranges a water inlet and an outlet, by the readily conversion of pump chamber by water inlet
The fluid media (medium) at place carries toward water outlet.When water pump needs toward different directions draining, typically arrange on the pump housing of water pump
The outlet of respective amount, the equal connecting pipeline of outlet, control opening of this pipeline by arranging the gate valve of correspondence on pipeline
Closing, therefore complex and switching pipeline the keying of structure is the most inconvenient.
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that a kind of easy to use and scope of application
Wider double outlets water pump.
The purpose of the present invention can be realized by following technical proposal: double outlets water pump, including motor, the pump housing, described
The pump housing include pump chamber and the water inlet, outlet one and the outlet two that are all connected, described pump with described pump chamber
The internal rotating shaft being provided with impeller and described motor can drive described wheel rotation, it is characterised in that described outlet
Being provided with gate valve body between one and described outlet two, described gate valve body can block any one outlet.
Operationally by driven by motor wheel rotation, the fluid media (medium) of water inlet is drawn into pump chamber and by outlet
Discharge.When draining, block outlet one by gate valve body, enable water to from outlet two discharge；When gate valve body blocks
During outlet two, water is discharged from outlet one；When any one outlet is not blocked by gate valve body, water can be simultaneously from two
Individual outlet is discharged simultaneously, has easy to use and that the scope of application is wider advantage, and the outlet with common water pump relatively is connected
Pipeline on arrange correspondence gate valve to control the keying of this pipeline, directly by this double outlets water pump control two outlets
Keying, thus control the keying of two pipelines, there is the advantage that cost is relatively low and structure is the compactest.This double outlets water pump
For centrifugal pump, peripheral pump, gear pump with piston pump.
In above-mentioned double outlets water pump, the sealing surface that outer face is spheric of described gate valve body, described
Gate valve body can be around the center rotating of described sealing surface, and the sealing surface of described gate valve body can block any one and go out
The mouth of a river.Gate valve body, around the center rotating corresponding angle of sealing surface, blocks corresponding outlet, tool by the sealing surface of spheric
Plugging effect is had preferably and to switch out the mouth of a river conveniently advantage.
In above-mentioned double outlets water pump, described gate valve body has the other end of sealing surface and has connecting rod, institute
The outer end stating connecting rod is fixedly connected with a rotary shaft, and described rotary shaft is axially connected on the described pump housing and described sealing
Face is centrally located on the axis of described rotary shaft.Connecting rod is driven to rotate by rotary shaft, it is achieved the rotation of gate valve body,
Have easy to connect and rotate more labour-saving advantage.
In above-mentioned double outlets water pump, described connecting rod is provided with the through hole inserted for rotary shaft, described rotation
Key is used to be fixedly connected with between rotating shaft and described connecting rod.In rotary shaft is inserted into the through hole of connecting rod and pass through key between the two
It is fixedly connected with, there is simple in construction and connect conveniently advantage.
In above-mentioned double outlets water pump, the outer end of described rotary shaft stretches out in the described pump housing and described rotation
The outer end of axle connects the actuator that described rotary shaft can be driven to rotate.Axle rotation is rotated by actuator thus carries
Dynamic gate valve body rotates, and has and uses conveniently advantage.
In above-mentioned double outlets water pump, described actuator is the rotation hands being connected in described rotary shaft outer end
Handle.Axle is rotated by rotary handle to rotate, has and rotate the most laborsaving and use conveniently advantage.
In above-mentioned double outlets water pump, described actuator is the deceleration being arranged on the lateral wall of the described pump housing
Motor, the output shaft of described reducing motor is fixedly connected with described rotary shaft.
In above-mentioned double outlets water pump, between two ends and the described pump housing of described rotary shaft, it is equipped with sleeve,
Described sleeve is all embedded on the described pump housing.Make rotary shaft axially be connected on the pump housing by sleeve, there is locating effect relatively
Good and that structure is relatively simple advantage.
In above-mentioned double outlets water pump, described outlet one is set in parallel with described outlet two, described
The one side of gate valve body be planar sealing surface, described gate valve body can alternating translational and described gate valve this
The sealing surface of body can block any one outlet.By the alternating translational of gate valve body, any one outlet is blocked,
Realize switching out the purpose at the mouth of a river, there is simple in construction and the preferable sealing effectiveness of formation of the outlet to closure, have simultaneously
Have simple in construction, the advantage that easy to use and the scope of application is wider.
In above-mentioned double outlets water pump, one end of described gate valve body is connected with valve rod, the outer end of described valve rod
The outer end stretching out in the pump housing and described valve rod is fixed with handle.The alternating translational being driven gate valve body by handle realizes water outlet
The switching of mouth, has simple in construction and operates conveniently advantage.
In above-mentioned double outlets water pump, the inner of described valve rod is inner the most solid with described gate valve body
Even, described valve rod is connected with described pump housing screw thread and the outer end of described valve rod is fixed with handle.By turning handle band
The alternating translational of dynamic gate valve body, it is achieved the switching of outlet, has simple in construction and easy to operate advantage.
In above-mentioned double outlets water pump, the described pump housing is provided with flow rate test hole and described position, flow rate test hole
Between described impeller and described water inlet.By flow rate test hole connection traffic table, it is achieved detect this double outlets water
The flow of pump, has and uses conveniently advantage.
In above-mentioned double outlets water pump, the described pump housing is provided with the water injection hole being connected with pump housing cavity.
Compared with prior art, this double outlets water pump has the advantage that
1, by gate valve body closure outlet one or outlet two, enable water to from outlet two discharge；Work as gate valve
During body closure outlet two, water is discharged from outlet one；When any one outlet is not blocked by gate valve body, water can
Discharge from two outlets simultaneously simultaneously, there is easy to use and that the scope of application is wider advantage；
2, corresponding gate valve be set on the pipeline being relatively connected with the outlet of common water pump to control the keying of this pipeline,
Directly controlled the keying of two outlets by this double outlets water pump, thus control the keying of two pipelines, there is practicality side
Just the advantage that, cost is relatively low and structure is the compactest；
3, gate valve body is around the center rotating corresponding angle of sealing surface, blocks corresponding water outlet by the sealing surface of spheric
Mouthful, there is plugging effect and preferably and switch out the mouth of a river conveniently advantage；
4, by turning handle drive gate valve body alternating translational, it is achieved the switching of outlet, have simple in construction and
Easy to operate advantage.
Accompanying drawing explanation
Fig. 1 is the cross-sectional schematic of this double outlets water pump.
Fig. 2 is the M close-up schematic view of Fig. 1.
Fig. 3 is the cross-sectional schematic of the closure outlet one of this double outlets water pump.
Fig. 4 is the cross-sectional schematic of two outlets of unlatching of this double outlets water pump.
Fig. 5 is that this water pump uses reducing motor as the cross-sectional schematic of actuator.
Fig. 6 is the cross-sectional schematic of the another embodiment of this double outlets water pump.
In figure, 1, motor；2, the pump housing；2a, pump chamber；2b, outlet one；2c, outlet two；2d, water inlet；3, impeller；
4, gate valve body；4a, sealing surface；4b, connecting rod；5, key；6, actuator；6a, rotary handle；6b, reducing motor；7, sleeve；
8, valve rod；9, handle；10, flow rate test hole；11, water injection hole；12, rotary shaft.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
As Fig. 1 is to shown in 5, and double outlets water pump, including motor 1, the pump housing 2, the pump housing 2 includes pump chamber 2a and equal and pump chamber
Water inlet 2d, outlet one 2b that 2a is connected and outlet two 2c's, outlet one 2b and outlet two 2c is axial in hanging down
Straight setting, the rotating shaft being provided with impeller 3 and motor 1 in the pump housing 2 can impeller 3 rotate, outlet one 2b and outlet two 2c
Between be provided with gate valve body 4, the outer face of gate valve body 4 is the sealing surface 4a of spheric, and gate valve body 4 can be around described close
The center rotating of front cover 4a, the sealing surface 4a of gate valve body 4 can block any one outlet.
Gate valve body 4 has the other end of sealing surface 4a and has connecting rod 4b, the outer end of connecting rod 4b and a rotary shaft 12
Being fixedly connected with, be equipped with sleeve 7 between two ends and the pump housing 2 of rotary shaft 12, sleeve 7 was all embedded on the pump housing 2 sleeve 7 and made rotary shaft
12 are axially connected on the pump housing 2, have the advantage that locating effect is preferable and structure is relatively simple.Sealing surface 4a is centrally located at rotation
On the axis of rotating shaft 12.Extension bar is provided with the through hole inserted for rotary shaft 12, adopts between rotary shaft 12 and described connecting rod 4b
It is fixedly connected with key 5, there is simple in construction and connect conveniently advantage.
The outer end of rotary shaft 12 stretches out in the outer end connection of the pump housing 2 and rotary shaft 12 has the rotary shaft 12 that can drive to rotate
Actuator 6.Actuator 6 is the rotary handle 6a being connected in described rotary shaft 12 outer end.Alternatively, such as Fig. 5
Shown in, actuator 6 is the reducing motor 6b being arranged on the lateral wall of the pump housing 2, the output shaft of reducing motor 6b and described rotation
Rotating shaft 12 is fixedly connected with.
The pump housing 2 is provided with flow rate test hole 10 and flow rate test hole 10 between impeller 3 and water inlet 2d, passes through flow
Instrument connection 10 connection traffic table, it is achieved detect the flow of this double outlets water pump, has and uses conveniently advantage.The pump housing 2
It is provided with the water injection hole 11 being connected with the pump housing 2 cavity.
Operationally rotated by motor 1 impeller 3, the fluid media (medium) at water inlet 2d is drawn into pump chamber 2a and by
Outlet is discharged.When draining, axle 12 is rotated by rotary handle 6a and rotates, make gate valve body 4 block outlet one 2b,
Enable water to discharge from outlet two 2c；Axle 12 is rotated by rotary handle 6a and rotates 90 °, make gate valve body 4 block out
During two 2c of the mouth of a river, water is discharged from outlet one 2b；When any one outlet is not blocked by gate valve body 4, water can be simultaneously
Discharge from two outlets simultaneously, there is easy to use and that the scope of application is wider advantage, the relative outlet with common water pump
The gate valve of correspondence is set on the pipeline being connected to control the keying of this pipeline, directly controls two by this double outlets water pump and go out
The keying at the mouth of a river, thus control the keying of two pipelines, there is the advantage that cost is relatively low and structure is the compactest.This double outlets
Water pump is that centrifugal pump, peripheral pump, gear pump are with piston pump.
Alternatively, as shown in Figure 6, outlet one 2b is set in parallel with outlet two 2c, gate valve body 4
One side is planar sealing surface 4a, and gate valve body 4 can the sealing surface 4a of alternating translational and gate valve body 4 can block
Any one outlet.One end of gate valve body 4 is connected with valve rod 8, and valve rod 8 is connected with the pump housing 2 screw thread and the outer end of valve rod 8 is connected
There is handle 9.Driven the alternating translational of gate valve body 4 by turning handle 9, any one outlet is blocked, it is achieved switch out
The purpose at the mouth of a river, has simple in construction and the preferable sealing effectiveness of formation of outlet to closure, have simultaneously simple in construction,
The advantage that the easy to operate and scope of application is wider.
Specific embodiment described herein is only to present invention spirit explanation for example.Technology neck belonging to the present invention
Described specific embodiment can be made various amendment or supplements or use similar mode to replace by the technical staff in territory
Generation, but without departing from the spirit of the present invention or surmount scope defined in appended claims.
Although the most more employing motor 1, the pump housing 2, pump chamber 2a, outlet one 2b, outlet two 2c, water inlet
2d, impeller 3, gate valve body 4, sealing surface 4a, connecting rod 4b, key 5, actuator 6, rotary handle 6a, reducing motor 6b, sleeve 7,
The terms such as valve rod 8, handle 9, flow rate test hole 10, water injection hole 11, rotary shaft 12, but it is not precluded from using the possibility of other term
Property.Use these terms to be only used to more easily to describe and explain the essence of the present invention；It is construed as any one
Additional restriction is all contrary with spirit of the present invention.
Claims (10)
1. double outlets water pump, including motor (1), the pump housing (2), the described pump housing (2) includes pump chamber (2a) and all with described
Pump chamber (2a) water inlet (2d), outlet one (2b) and the outlet two (2c) that are connected, be provided with in the described pump housing (2)
The rotating shaft of impeller (3) and described motor (1) can drive described impeller (3) to rotate, it is characterised in that described outlet
Being provided with gate valve body (4) between one (2b) and described outlet two (2c), described gate valve body (4) can block any one
Individual outlet.
Double outlets water pump the most according to claim 1, it is characterised in that the outer face of described gate valve body (4) is
The sealing surface (4a) of spheric, described gate valve body (4) can be around the center rotating of described sealing surface (4a), described lock
The sealing surface (4a) of valve body (4) can block any one outlet.
Double outlets water pump the most according to claim 2, it is characterised in that described gate valve body (4) has sealing surface
(4a) the other end has connecting rod (4b), and the outer end of described connecting rod (4b) is fixedly connected with a rotary shaft (12), described rotation
Rotating shaft (12) is axially connected in the described pump housing (2), and above and described sealing surface (4a) is centrally located at described rotary shaft (12)
Axis on.
Double outlets water pump the most according to claim 3, it is characterised in that described connecting rod (4b) is provided with for rotating
The through hole that axle (12) inserts, uses key (5) to be fixedly connected with between described rotary shaft (12) and described connecting rod (4b).
5. according to the double outlets water pump described in claim 3 or 4, it is characterised in that the outer end of described rotary shaft (12) is stretched
Connect for the outer end of the described pump housing (2) and described rotary shaft (12) and have described rotary shaft (12) can be driven to rotate
Actuator (6).
Double outlets water pump the most according to claim 5, it is characterised in that described actuator (6) is described for being connected in
The rotary handle (6a) of rotary shaft (12) outer end.
Double outlets water pump the most according to claim 5, it is characterised in that described actuator (6) is described for being arranged on
The pump housing (2) lateral wall on reducing motor (6b), the output shaft of described reducing motor (6b) and described rotary shaft
(12) it is fixedly connected with.
8. according to the double outlets water pump described in claim 3 or 4, it is characterised in that the two ends of described rotary shaft (12) with
Being equipped with sleeve (7) between the described pump housing (2), described sleeve (7) is all embedded on the described pump housing (2).
Double outlets water pump the most according to claim 1, it is characterised in that outlet one (2b) and outlet two (2c)
Axis be set in parallel, the one side of described gate valve body (4) is planar sealing surface (4a), described gate valve this
Body (4) sealing surface (4a) of alternating translational and described gate valve body (4) can block any one outlet.
Double outlets water pump the most according to claim 9, it is characterised in that one end of described gate valve body (4) is connected with
Valve rod (8), the outer end of described valve rod (8) stretches out in the outer end of the pump housing (2) and described valve rod (8) and is fixed with handle (9), institute
The inner of the valve rod (8) stated axially is fixedly connected with the inner of described gate valve body (4), described valve rod (8) and described pump
Body (2) screw thread is connected and the outer end of described valve rod (8) is fixed with handle (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610633247.6A CN106050681A (en) | 2016-08-02 | 2016-08-02 | Water pump with double water outlets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610633247.6A CN106050681A (en) | 2016-08-02 | 2016-08-02 | Water pump with double water outlets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106050681A true CN106050681A (en) | 2016-10-26 |
Family
ID=57480629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610633247.6A Pending CN106050681A (en) | 2016-08-02 | 2016-08-02 | Water pump with double water outlets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106050681A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386388A (en) * | 2018-02-26 | 2018-08-10 | 江苏大学镇江流体工程装备技术研究院 | A kind of optional ultra-low specific speed pump of same traffic lift and design method |
| CN110107511A (en) * | 2019-04-29 | 2019-08-09 | 江西潇湘节能科技有限公司 | A kind of water pump of Tape dispensers |
| CN112576473A (en) * | 2021-01-11 | 2021-03-30 | 南京思目睿商贸有限公司 | Piston type water pump device convenient for replacing water outlet pipe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1043121A (en) * | 1996-08-01 | 1998-02-17 | Zojirushi Corp | Pump for dishwasher |
| JPH10227297A (en) * | 1997-02-14 | 1998-08-25 | Hitachi Ltd | Pump |
| JP2004076674A (en) * | 2002-08-20 | 2004-03-11 | Nidec Shibaura Corp | Piping system and pump |
| EP1403521A1 (en) * | 2002-09-26 | 2004-03-31 | Nidec Shibaura Corporation | Pump having one inlet and two outlets |
| CN205918614U (en) * | 2016-08-02 | 2017-02-01 | 台州凌霄泵业有限公司 | Double water outlet water pump |
-
2016
- 2016-08-02 CN CN201610633247.6A patent/CN106050681A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1043121A (en) * | 1996-08-01 | 1998-02-17 | Zojirushi Corp | Pump for dishwasher |
| JPH10227297A (en) * | 1997-02-14 | 1998-08-25 | Hitachi Ltd | Pump |
| JP2004076674A (en) * | 2002-08-20 | 2004-03-11 | Nidec Shibaura Corp | Piping system and pump |
| EP1403521A1 (en) * | 2002-09-26 | 2004-03-31 | Nidec Shibaura Corporation | Pump having one inlet and two outlets |
| CN205918614U (en) * | 2016-08-02 | 2017-02-01 | 台州凌霄泵业有限公司 | Double water outlet water pump |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386388A (en) * | 2018-02-26 | 2018-08-10 | 江苏大学镇江流体工程装备技术研究院 | A kind of optional ultra-low specific speed pump of same traffic lift and design method |
| CN108386388B (en) * | 2018-02-26 | 2022-05-13 | 江苏大学镇江流体工程装备技术研究院 | Ultra-low specific speed pump with selectable same flow and selectable head and design method |
| CN110107511A (en) * | 2019-04-29 | 2019-08-09 | 江西潇湘节能科技有限公司 | A kind of water pump of Tape dispensers |
| CN112576473A (en) * | 2021-01-11 | 2021-03-30 | 南京思目睿商贸有限公司 | Piston type water pump device convenient for replacing water outlet pipe |
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