Kunkle Safety Relief Valve - 40R/RL - Fast & Free Shipping!

Kunkle Safety Relief Valve - 40R/RL - Fast & Free Shipping!

Regular price $398.00 Sale

Kunkle Models 40R/40RL sentinel relief valves

Safety and relief products

Non-code steam service sentinel relief valves


Features


Model 40R

  • All parts are stainless steel.
  • Precision lapped beveled seats for optimum performance.
  • Pivot between spring and disc corrects misalignment and compensates for spring side thrust.
  • Tested and inspected for pressure setting and leakage.

General application

Technical data

Models 40R and 40RL are suitable for sentinel (warning) on steam equipment, including steam turbines. They are intended as audible warning devices, not for pressure relief.


Connections: Threaded NPT

Temperature range: -60° to 850°F

(-51° to 454°C)

Pressure range:

1 to 400 psig

(.07 to 27.6 barg)

Note

  1. For other valves suitable for sentinel (warning) service, see Model 1 (250 psig, 406°F (17.2 barg, 208°C)) and Models 264, 265.

 

VCTDS-00378-EN 16/04


Kunkle Models 40R/40RL sentinel relief valves Safety and relief products 

Parts and Materials - 40R and 40RL


Models overview


No.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18*

19*


Model 40R: ½” or ¾” male NPT inlet with top discharge to give visible warning of system overpressure.

Overall height: 5¼” (133 mm)

Weight: 1 lb (0.45 kg)

Model 40RL: as 40R with plain lift lever.

Overall height: 6½” (165 mm)

Weight: 1¼ lb (0.57 kg)


Part name

Nozzle

Yoke

Regulator ring

Lock screw, ring

Disc

Lower spring step

Stem

Spring

Upper spring step

Compression screw

Jam nut

Pressure screw

Hood

Lift nut

Rivet

Seal wire

Hood set screw

Nameplate

Drive screw



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