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Safety valves for LPG
External Hydrostatic Relief Valves
     Designed especially for the protection of piping and shut-off valves where there is a possibility of trapping liquid LP-Gas or anhydrous ammonia. They may be installed in pipelines and hoses located between shut-off valves or in the side boss of RegO® shut-off valves.. Materials: Body (3125, 3127, 3129): Brass; Body (SS8001, SS8002, SS8021, SS8022): SS; Spring: SS; Seat Disc: Resilient Rubber

Part #
Bar
Body
Thread
Height
Accessoires
Cap
 3127G
17.2
MS
¼”
50
7545-40
-
 3129G
½”
66
3129-10*
 3127H
19
¼”
50
-
 3129H
½”
66
3129-10*
 3127P
20.7
¼”
50
-
 3129P
½”
66
3129-10*
 3127J
24.1
MS
¼”
50
7545-40
-
 3129J
½”
66
3129-10*
 3127K
25.9
MS
¼”
50
7545-40
-
 3129K
½”
66
3129-10*
 3125L
27.6
¼”
40
included
-
 3127L
50
7545-40
 3129L
½”
66
3129-40P
3129-10*
 3127U
31
MS
¼”
50
7545-40
-
 3129U
½”
66
3129-10*

Semi-Internal “Pop-Action” Pressure Relief Valves
 7583G, 8684G, 8685G. Designed for use as a primary relief valve on ASME containers such as 250, 500 and 1,000 gallon tanks. Underwriters’ Laboratories lists containers systems on which these types of valves are mounted outside the hood without additional protection, if mounted near the hood and fitted with a protective cap.
7534G and 7534. Designed especially for use as a primary relief valve on large stationary storage containers, these low profile relief valves are generally mounted in half couplings. However, they are designed so that the inlet ports clear the bottom of a full 2” coupling. This assures that the relief valve should always be capable of maximum flow under emergency conditions.
Part #
External thread
Bar
Thread to tank
Safty cap
 7583G
ACME
17
¾”
7583-40X
 8684G
ACME
17
1”
8684-40
 8685G
ACME
17
1 ¼”
7585-40X
 7534B
M. NPT
9
2”
7534-40
 7534G
M. NPT
17
Fully Internal “Pop-Action” Pressure Relief Valves
  Designed specifically for use as a primary relief valve in ASME transports and delivery trucks with 2” and 3” NPT couplings.
MATERIALS:
Spring: Stainless Steel
Stem: Stainless Steel Stem
Bushing: 17 - 4PH Stainless Steel Seat
Disc:Resilient Synthetic Rubber
Part #
Bar
Thread
Protective cap, included
 A8434N
18
2” M. NPT
A8434-11B
 A8434G
17
 A8436N
18
3” M. NPT
A8436-11B
 A8436G
17

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Pressure reducing valves
For the protection of:
- commercial and industrial plants against too high supply pressure. Use of pressure reducing valves, when in a piping system inspite of varying pressures on the inlet side a specifi c pressure on the outlet side must be kept.
• compressed air supply plants
• pneumatic control units
• pressure booster plants air-side
• shipbuilding industry and offshore plants

Dry Cryogenic Couplings
Dry Cryogenic Couplings (DCCouplings) and Cryogenic Break-away Couplings (CBCouplings) are designed for use wherever it’s beneficial to connect and disconnect hoses and pipelines under pressure, quickly without spillage and additional tools.

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