SU1288418A1 - Ball cock - Google Patents

Abstract

The invention relates to pipeline valves, in particular valves for high pressure gas pipelines. The purpose of the invention is to improve the repair capability of the crane by providing the possibility of replacing the sealing rings without dismantling the valve body. To replace the O-rings, the sax-f replicate the removable squeeze device. The support ring is retracted, with the retainer extending out of the annular undercut of the support ring. Disassemble the distance ring. The seat is retracted from the surface of the sealing ring. 4 il. . y 00 s

Description

This invention relates to pipe mounts; - water fittings, in particular to valves with; rotary spherical: kimi plugs, and can be used in mechanical engineering and in the manufacture of stop valves for the gas, petroleum, chemical industry and other branches of the national economy,

The aim of the invention is to increase the maintainability of the crane by providing the possibility of replacing the sealing rings without the installation of the valve body.

In Fig. El rge, a spherical edge is formed, a partial section; FIG. 2 shows the node i in FIG. 1; Fig 3 is a section A-A b; and Fig 2, (dismantling); FIG. 4, the assembly in FIG. 1j when mounting and removing the sealing ring.

Ball valve for gas pipelines containing a welded non-welded eMrfbif; body 1 with inlet 2 and zykhol nm 3 nozzles 5. horizontal luapc- plug 4, installed in KOPHV-se 1 via trunnions 5 and S, j spindle 7 for connecting a hfobka 4 with a rotary actuator (not shown), cylindrical pass-through; in a gaarov stopper) b; nd v-dzhuh 8, 1

In the inlet 2 and out of the 3 fittings, there are 9 seats with 1 flares of 10 that can move to: the axle of the hole and be pressed to the ball surface B of the plug 4 springs) Other mounting rings 12 on the outer side: horizontal surface

saddles 9 are pressed into 51 to the saddle; / and the pressure of the medium is in the gas pipeline between each seat 9 and springs 1; Installed on-line kolyuyu 13 and analysis of;; discharging diode ring 1 .-, Folding distance ring 1 i. in the assembled state is held by retainer 15, an annular protrusion Mj extending into the annular recess of the retaining ring 13, the annular protrusion can be made at the outer rim of the ring 4 or on its other end surface, In the latter case, the annular protrusion : the groove is made a saddle,

DK, stationary ring 4 is made of several parts, in this case one part has parallel sides to ensure its removal and removal.

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(and the inner side of the cylindrical C: RHI: K; TI of the Aori; th ring 13, one of them was triggered with a squeeze-out ycTpoi icTBO If). Ko opoe is made, for example, in the form of a number of hydraulic cylinders (GGI or GD;), p; 1 are numberedly arranged around the circumference of the support ring. Removable squeezing device I and its other ssnz can be attached to the surface of the blood-staining agent and the device on the hardware; the tube of the branch pipe, l. The dark pressing device 16 can be equipped with a co-constructive source; PARMS; cam mechanisms, etc.,) j which is capable of compressing pru / throw 1 i. and divert the support element 13,

Replacing the suspension rings 10: 1 out of 1 t with the following. Establishment; 5avli, cork stopper 4 cranes in open position. ) 1a. The removable squeezing device is secured to the neutral surface of the support stake; ej, and 1.3; the mouth is fixed; 16; t support ring 3 ,, compress & Prunin I 1. In this case, the retainer 15 emerges from the annular undercut of the support ring) 3, Disassemble the d.starting ring 4, Withdraw; c 9 from the ball surface riocTH B probks-t 4 ,. Through formed- with. the gap is made up of the replacement of the sealing cat. Step 1C, To facilitate the dismantling and mounting of the sealing lance 10 of the nub 4, turn on (; eG) the large angle to the point of consolidation of the collar 10 and 10 in the horizontal: .ge replacement sealing; O-ring 10 brings the saddle 9 to the ball surface B of the plug 4 {, collect ring 14, fixing it in position (by returning the support ring 13, P. In case of replacing the sealing rings 10 without removing the crane from the main, the pipe near the crane makes it easy to remove pressing the device is fixed on the n-th surface of the coarse or connecting pipe, and all other operations are sprayed as described

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Spherical K11, zn, comprising a housing with inlet and coupling fittings, a rotary ball valve de-magnetized in the housing, seats with sealing rings are assembled with the ability to interact with the surface of the ball plug, and springs clamping the saddles to the plug, characterized by that, in order to increase the maintainability of the crane, it is equipped with a collapsible distance ring with a lock (it element and a support ring, which are located between each seat and springs, and the support ring is installed with the possibility of axial Eject {M1i with a removable squeeze device.

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Claims (1)

® about r m at l of the invention A ball valve comprising a housing with inlet and outlet nozzles, a rotary ball plug located in the housing, saddles with O-rings installed to interact with the surface of the ball plug, and springs that press the saddles to the plug, characterized in that, in order to increase maintainability crane, it '5 is equipped with a collapsible spacer ring, with a locking element and a support ring, which are located between each seat and springs, and the support ring is mounted with the possibility of axial movement Ia via removable urging device.