Combustion Catalog | Fives North American

Sheet 1000-6

Slam-shut valves are used for the protection against high pressure for all valves connected downstream of a gas regulator. The gas supply is shut off if the downstream pressure exceeds the spring set point of the slam-shut valve. FEATURES North American Slam-shut Valves

• Senses excess pressure downstream of pressure regulator • Broad adjusting range for the response pressure • Low pressure loss

SPECIFICATIONS

Maximum inlet pressure: 60 psig (4 bar) Operating temperatures: 5°F to 140°F (-15°C to 60°C) Available spring ranges: 8"w.c. to 8.0 psig (18 to 550 mbar) Body material: Aluminum End connections: 1", 1 ½ " NPT, 2" - 4" ANSI flanged Downstream sensing line required ( 1⁄8 " NPT connection on 1" and 1 ½ " sizes, Rp ¼ " on 2", 3" and 4" sizes). When used upstream of a regulator install sensing line ≥ 5 pipe diameter downstream of regulator. Vent connection: ¼ " Rp (vent to an approved location)

DIMENSIONS

Drilling in. (mm)

Dimensions in. (mm)

Flange in. (mm)

Weight

No.

Connection

L

H1

H2

T

E

D2

K

d2

holes lbs(kg)

NPT 1"

3.58 (91) 5.91

6.56 (159)

0.91 (23) 2.01

1.69 (143) 1.69 (43)

3.43 (87) 3.43 (87)

— — — —

— — — —

— — — —

— — — —

2.2

(1)

NPT 1 ½ "

8.11

5.07 (2.3) 26.5

(1500 7.09 (180) 8.66 (220)

(206) 7.28 (185) 7.68 (195) 8.86 (225)

(51)

ANSI 2"

3.27 (83) 3.94 (100) 4.33 (110)

— — — — — —

— — — — — —

6.49 (165) 7.87 (200) 8.66 (220)

4.92 (125) 7.87 (160) 8.66 (180)

0.71 (18) 0.71 (18) 0.71 (18)

4

(12)

ANSI 3"

8

35.3

(16)

ANSI 4"

10.6

8

48.5

(270)

(22)

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