Gate Valves
BoTeli valves are available in three bonnet designs. The first design is the Bolted Bonnet, 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 trird design is the pressure seal bonnet, with a threaded and pressure seal bonnet joint.
Gate Valve Design Construction and Specifications
BoTeLi gate valves conform to API 602,BS5352,and ASME B 16.34, Each are tested according to API598 , and marking is per MSS SP-25.
Construction is as follows:
Full Port or Convetional PortOutside Screw and Yoke(OS&Y)Two Piece self aligning packing glandBolted bonnet with spiral-wound gasket, threaded and seal welded bonnet or threaded and pressure seal bonnetIntegral backseatSocket weld Ends to ASME B16.11Screwed Ends(NPT) to ANSI/ASME B1.20.1
Gate Valve 800Lb
Standard Material Specifications
NO.
Part Name
CS To ASTM
AS to ASTM
SS to ASTM
Type A 105
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
HandWheel
A197
17
Bearing Gasket
A473 431
18
Stem Packing
Flexible Graphite
PTFE
Suitable Medium
W.O.G.etc
W.O.G.etc
HNO3,CH3OOH etc
Suitable Temperature
-29°C～425°C
-29°C～550°C
-29°C～180°C
Note:Other materials are available upon request.CS=Carbon Steel;AS=Alloy Steel;SS=Stainless Steel;
Dimensions(mm) and Weights(Kg)
NPS
Conv.
1
1
1
2
Full
1
1
1
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
Weights
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
