Product Overview | 1154A Wafer Valves
MATERIALS OF CONSTRUCTION Body: cast iron Disk: nickel plated ductile iron Stem: T-410 stainless steel Disk screw: T-410 stainless steel Stem bushing: PTFE Seat and "O" ring: Buna N
FEATURES
— Seat has molded-in "O" ring seal; no need for flange gaskets. — Seat is dove-tailed to allow simple replacement. — Compatible with 8767A, B, C, and E Flanges. Select flange to suit service pressure. See Sheet 8767.
GEAR OPERATOR
1154A Resilient Seat Wafer Valves provide bubble tight shut off up to 150 psig (open end differential). For dead-end use contact North American engineering for an appropriate valve. These valves are suitable for air, gas, and liquids that are compatible with listed materials of construction. Maximum temperature limit is 180°F and minimum temperature limit is 10°F. Sizes -4 thru -10 are equipped with a locking lever handle. Sizes -12 thru -24 are equipped with a heavy duty worm gear operator. Consult Fives for electric or pneumatic actuators .
10 POSITION HANDLE
seating and unseating Torque ** Air Capacity(scfh)*
50 psi P
150 psi P
Valve
2 psig inlet 0.06 psi P
designation
in-lb
in-lb
1154A-4 (2") 1154A-6 (3") 1154A-7 (4") 1154A-8 (6") 1154A-9 (8") 1154A-10 (10") 1154A-12 (12") 1154A-14 (14") 1154A-16 (16") 1154A-18 (18") 1154A-20 (20") 1154A-24 (24")
4 200 11 000 21 750 57 500
158 330 462 957
178 371 571
1 251
114 000 195 000 300 000 432 000 595 000 790 000 1 015 000 1 565 000
1 684 2 672 4 109 4 222
2 090 3 318 4 837 5 600 8 800 13 118 16 000 29 120
6 816 10 059 13 376 24 683
* Capacities in table represent a valve 70° open with 60°F clean dry air ** Torque values are for reference only with clean dry air operation. For liquid service divide the values in the table by 1.6.
Bulletin 1154A Page 2
Made with FlippingBook flipbook maker