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Location：PRODUCTS >> Forged steel valve >> Forged steel thread, bearing check valve
Forged steel thread, bearing check valve
Model: Z11Y / Z61Y
Nominal diameter: NPS3 / 8 "~ 2"
Nominal pressure: Class150 ~ 2500Lb
Suitable medium: water, steam, oil and the like
Temperature: -29 ℃ ~ 550 ℃
Main material: A105, A182 F22, A182F 304L, A182 F316L
Manufacturing Standards: According to API 602, BS5352, ANSI B16.34
Testing and Acceptance: According to API 598, marking according to MSS SP-25

Forged steel gate valve has three kinds of bonnet design, the first is a bolt-type valve bonnet, connected by concave and convex surface, stainless steel with flexible graphite spiral wound gasket, ring can also be used on request connection, the second is the welding bonnet, Sealing by thread after welding, according to demand can also be used directly rigid welding, the third is self-sealing bonnet, threaded and self-sealing bonnet connection. 

Gate valve structure design and specification:

Forged steel gate valve manufacturing according to API 602, BS5352, ANSI B16.34. 
Test and acceptance per API 598, logo according to MSS SP-25.

Structure type is as follows:

 1, full diameter or reduced diameter; 
 2, Ming rod with bracket; 
 3, self-aligning at both ends of the packing pressure sleeve; 
 4, with wound gasket bolt type valve cover, Seal bonnet 
 5, body inverted seal; 
 6, socket welding ANSI / ASME B16.11; 
 7, the threaded end (NPT end) according to ANSI / ASME B1.20.1.


Standard material list

Serial number Part Name CStoASTM AStoASTM SStoASTM
A105 F22 F304L F316L
1 Body A105 A182 F22 A182F 304L A182 F316L
2 Seat A276 420 A276 304 A276 304L A276 316L
3 gate A182F 430 & 410 A182 F304 A182F 304L A182 F316L
4 Valve stem A182 F6 A182 F304 A182F 304L A182 F316L
5 Gasket 316 clip flexible graphite 316 Clamp PTFE
6 cap A105 A276 F304 A276F 304L A276 F316L
7 bolt A193 B7 A193 B16 A193 B8 A193 B8M
8 Pin A276420 A276 304
9 Packing pressure sleeve A276410 A182F 304L A182F F316L
10 Easter bolt A193 B7 A193 B16 A193 B8 A193 B8M
11 Packing platen A105 A182 F11 A182F 304L A182F 316L
12 Nut A194 2H A194 4 A194 8 A194 8M
13 Stem nut A276 420
14 fasten the screw nut A194 2H A194 4 A194 8 A194 8M
15 Nameplate SS
16 Handwheel A197
17 Gasket A473431
18 filler Flexible graphite PTFE
Suitable media Water, steam, oil and so on Water, steam, oil and so on Nitric acid, acetic acid and so on
proper temperature -29 ° C to 425 ° C -29 ° C to 550 ° C -29 ℃ ~ 200 ℃

 

The main connection size and weight

NPS Reduced diameter 3/8 " 1/2 " 3/4 " 1" 1 1/4 " 1 1/2 " 2"
Full diameter 3/8 " 1/2 " 3/4 " 1" 1 1/4 " 1 1/2 " 2"
L 79 79 92 111 120 120 140 178
H open 158 158 169 197 236 246 283 330
W 100 100 100 125 160 160 180 200
weight Bolt type 2.1 2.0 2.3 4.3 5.9 6.9 11.1 15.2
Welded 1.8 1.7 2.0 3.8 5.1 6.1 10.2 14.2


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