IT1078590B - Shut off valve with pressure seal - has external screw plug for adjusting C-spring pressure on valve disc - Google Patents

Shut off valve with pressure seal - has external screw plug for adjusting C-spring pressure on valve disc

Info

Publication number
IT1078590B
IT1078590B IT1279376A IT1279376A IT1078590B IT 1078590 B IT1078590 B IT 1078590B IT 1279376 A IT1279376 A IT 1279376A IT 1279376 A IT1279376 A IT 1279376A IT 1078590 B IT1078590 B IT 1078590B
Authority
IT
Italy
Prior art keywords
valve
spring
shut
pressure
adjusting
Prior art date
Application number
IT1279376A
Other languages
Italian (it)
Original Assignee
Lehtinen Unto Johannes
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lehtinen Unto Johannes filed Critical Lehtinen Unto Johannes
Priority to IT1279376A priority Critical patent/IT1078590B/en
Application granted granted Critical
Publication of IT1078590B publication Critical patent/IT1078590B/en

Links

Abstract

The shut-off valve has a housing (2) provided with inlet and outlet ports (1) which also form valve seats. The sealing disc (3) is mounted on a C-shaped spring (7). The upper end of the spring (7) is fixed to the operating spindle (4). The lower end of the spring (7) has a semi-circular cut-out which fits round a conical projection (6) of the plug (9). The plug (9) is sealed by an O-ring (20) and is retained by a screw cap (13). By rotating the screw cap (13) the flexure of the spring (7) can be changed and in this way the pressure of the valve disc (3) against the seating face (8) can be adjusted.
IT1279376A 1976-09-16 1976-09-16 Shut off valve with pressure seal - has external screw plug for adjusting C-spring pressure on valve disc IT1078590B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT1279376A IT1078590B (en) 1976-09-16 1976-09-16 Shut off valve with pressure seal - has external screw plug for adjusting C-spring pressure on valve disc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1279376A IT1078590B (en) 1976-09-16 1976-09-16 Shut off valve with pressure seal - has external screw plug for adjusting C-spring pressure on valve disc

Publications (1)

Publication Number Publication Date
IT1078590B true IT1078590B (en) 1985-05-08

Family

ID=11143274

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1279376A IT1078590B (en) 1976-09-16 1976-09-16 Shut off valve with pressure seal - has external screw plug for adjusting C-spring pressure on valve disc

Country Status (1)

Country Link
IT (1) IT1078590B (en)

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