Forged Cast Steel Gate Valve With Three Bonnet Designs 800lbs Pressure
Cast Steel Gate Valve Brief introduction:
Forged steel gate valves are available in three bonnet designs. The first design is the Bolted, with male-female
joint, spiral wound gasket, made in F304L/graphite.Ring joint gasket are also available on request. The second
design is the welded bonnet, with a threaded and seal welded joint. On request a full penetration strength
welded joint is available. The third design is the pressure seal bonnet, with a threaded and pressure seal bonnet
joint.
Cast Steel Gate Valve Technical Specification
* Gate valves conform to API 602,and ASME B 16.34
* Each are tested according to API 598,and marking is per MSS SP-25
* Full Port or Conventional Port
* Outside Screw and Yoke(OS & Y)
* Two piece self-aligning packing gland
* Bolted bonnet with spiral wound gasket, threaded and seal welded bonnet or threaded and
pressure seal bonnet
* Integral backseat
* Socket weld ends to ASME B16.11
* Screwed Ends (NPT) to ANSI/ASME B1.20.1
Cast Steel Gate Valve Mail part & material
|
NO.
|
Part Name
|
CS to ASTM
|
AS to ASTM
|
SS to ASTM
|
|
Type A105
|
Type F22
|
Type F304(L)
|
Type F316(L)
|
|
1
|
Body
|
A105
|
A182 F22
|
A182 F304(L)
|
A182 F316(L)
|
|
2
|
Seat Ring
|
A276 420
|
A276 304
|
A276 304(L)
|
A276 316(L)
|
|
3
|
Wedge
|
A276 430&410
|
A182 F304
|
A182 F304(L)
|
A182 F316(L)
|
|
4
|
Stem
|
A182 F6
|
A182 F304
|
A182 F304(L)
|
A182 F316(L)
|
|
5
|
Gasket
|
Corrugated SS+ graphite
|
SS+PTFE
|
|
6
|
Bonnet
|
A105
|
A182 F22
|
A182 F304(L)
|
A182 F316(L)
|
|
7
|
Bonnet Bolt
|
A193 B7
|
A193 B16
|
A193 B8
|
A193 B8M
|
|
8
|
Pin
|
A276 420
|
A182 F304
|
|
9
|
Gland
|
A276 410
|
A182 F304(L)
|
A182 F316(L)
|
|
10
|
Gland Eyebolt
|
A193 B7
|
A193 B16
|
A193 B8
|
A193 B8M
|
|
11
|
Gland Flange
|
A105
|
A182 f11
|
A182 F304(L)
|
A182 F316(L)
|
|
12
|
Gland Nut
|
A194 2H
|
A194 4
|
A194 8
|
A194 8M
|
|
13
|
Yoke Nut
|
A276 420
|
|
14
|
H.W.Lock Nut
|
A194 2H
|
A194 4
|
A194 8
|
A194 8M
|
|
15
|
Nameplate
|
SS
|
|
16
|
Hand wheel
|
A197
|
|
17
|
Lubricated Gasket
|
A473 431
|
|
18
|
Stem Packing
|
Flexible Graphite
|
PTFE
|
|
Suitable Medium
|
Water, oil, gas etc
|
Water, oil, gas etc
|
HNO3,CH3OOH etc
|
|
Suitable Temperature
|
-29℃～425℃
|
-29℃～550℃
|
-29℃～180℃
|
CLASS 800LB
|
NPS
|
CONV.
|
3/8"
|
1/2"
|
3/4"
|
1"
|
11/4"
|
11/2"
|
2"
|
|
|
Full
|
|
3/8"
|
1/2"
|
3/4"
|
1"
|
11/4"
|
11/2"
|
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
|
Bolted
|
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
|
CLASS 900LB~ 1500LB
|
NPS
|
Conv.
|
3/8"
|
1/2"
|
3/4"
|
1"
|
11/4"
|
11/2"
|
2"
|
|
|
Full
|
|
3/8"
|
1/2"
|
3/4"
|
1"
|
11/4"
|
11/2"
|
2"
|
|
L
|
92
|
111
|
111
|
120
|
120
|
140
|
178
|
210
|
|
H(OPEN)
|
169
|
197
|
197
|
236
|
246
|
283
|
330
|
354
|
|
W
|
110
|
125
|
125
|
160
|
160
|
180
|
200
|
240
|
|
Weight
|
Bolted
|
2.5
|
4.3
|
4.2
|
6.6
|
8.8
|
12.5
|
17.2
|
23.5
|
|
Welded
|
2.4
|
4.2
|
4.0
|
6.3
|
8.7
|
12.1
|
17.2
|
22.0
|
Product Tags:
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Forged Cast Steel Gate Valve With Three Bonnet Designs 800lbs Pressure Images
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