| Design features | |
Norminal size:1/2" through 8" full port
Pressure Class:ASME Class 150-600
Basic Design:API 608、BS 5351
Face to face dimension:ASME B16.10
Standard materials such as:carbon low alloy,stainless stell Special alloys,exotic matals and trims(Hastelloy,lnconel,Monel,Duplex,etc) |
| Conditions Requiring Severe service Solution |
High temperature and large thermal transients Cryogenic operations
Abrasive media,catalyst,coking,fines,etc.Ultra high pressure or vacuum
High cycling than 10000 times per year Severe Corrosion.
Rapid and emergency shutdown
Lethal materials,category "M" |
| Option |
High pressure valve and seat design.
Purge ports
Extended bonnet and stem
Safet lock-out
Fugitive emissions control
Arcitron ball opening shape to minimize seat erosion |
| Actuators |
Levers and manual gear boxes,hand wheel
Complete operated selection of electric,peneumatic and hydraulic systems
Accessories such as:indicators,solenoids,limit switches,overrides |
| Typical Seats Constructions And Material | |
| Standard seat | High temperture seat-1 |
| | |
| NPS:1/2"~11/2" | NPS:1"-8" |
Ball seat:Stainless steel+hard facing Seat seal:R-PTFE Temp range:-50℃~+250℃/-58°F~+482°F | Ball seat:Stainless steel+hard facing Seat seat:Graphite Spring:INCONEL X-750 Temp range:-200℃~+550℃/-58°F~+1022°F |
| Locked seat | High temperture seat-2 |
| | |
| NPS:1/2"~11/2" | NPS:1/2"-8" |
Ball seat:Stainless steel+hard facing Seat seal:R-PTFE Temp range:-50℃~+250℃/-58°F~+482°F | Ball seat:Stainless steel+hard facing Seat seat:Graphite Spring:INCONEL X-750 Temp range:-200℃~+550℃/-58°F~+1022°F |
| Applications of matal seated ball valve |
| Type | Size | Temperature Range | Auxiliary Seal | Ball/Seats Seal | Working Condition | | Floating Ball Valve | Pressure Range Class 150,300,600 NPS1/2"~8" | -50℃~250℃ | PEEK | Ball:nitriding or Nickel base/Co base alloy overlay Seat:Stellited | 1.finishing mixture 2.solidcontaining fluids 3.hight temperature and hight pressure | | -50℃~380℃ | Graphite | | -50℃~550℃ | Graphite | Ball:Nickel Base/Co basealloy overlay Seat:Stellited |
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| Material speciation | |
| Part | Carbon Steel | Stainless Steel | | Temp、Range | -29℃~250℃ | 250℃~425℃ | -29℃~250℃ | 250℃~550℃ | | Body | ASTM A216 WCB | ASTM A351 CF8M | | Ball | ASTM A182 F304/coating | ASTM A182 F316/coating | | Stem | ASTM A182 F6a | ASTM A182 F316 | | Seat | ASTM A182 F316/Stellite Overly | ASTM A182 F316/Stellite Overly | | Gasket | PEEK | Graphite+304S.S. | PEEK | Graphite+316S.S. | | Gland Packing | PEEK | Graphite+304S.S. | PEEK | Graphite+316S.S. | | Stem Bearing | PEEK | Graphite+304S.S. | PEEK | Graphite+316S.S. | | Spring | 17-7PH | Inconel x-750 | 316Stainless Steel | Inconel x-750 | | Bolt | ASTM A193 B7 | ASTM A193 B8M | | Nut | ASTM A194 2H | ASTM A194 8M | | Seat Seal Gasket | Graphite+304S.S. | Graphite+316S.S. |
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| Valve Design Operating Torques(N.m) | |
| Size(in) | Class 150 | Class 300 | Class 600 | | 1/2 | 52 | 79 | 103 | | 3/4 | 58 | 105 | 150 | | 1 | 65 | 155 | 202 | | 1-1/2 | 91 | 220 | 285 | | 2 | 115 | 230 | - | | 2-1/2 | 224 | 350 | - | | 3 | 260 | 370 | - | | 4 | 380 | 610 | - | | 5 | 620 | 980 | - | | 6 | 1400 | 2300 | - | | 8 | 2600 | 4500 | - |
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| All torque valves shown on chart are for "wet"(water and other nonlubricating media)on-off service.For "dry" service,multiply values by 1.3. For "lubed" service,multiply valves by 0.95. |
| | |
| 1/2"~3"(Lever operated) | 4"~8"(Worm gear operated) |
| Demensions(Class 150) | |
| Size(in) | 1/2 | 3/4 | 1 | 1-1/2 | 2 | 2-1/2 | 3 | 4 | 6 | 8 | | B(mm) | 12.7 | 19 | 25.4 | 38 | 51 | 64 | 76 | 102 | 152 | 203 | | L(mm) | 108 | 117 | 127 | 165 | 178 | 191 | 203 | 229 | 267 | 292 | | H(mm) | 54 | 59 | 64 | 90 | 102 | 112 | 121 | 166 | 208 | 246 | | W(mm) | 140 | 140 | 160 | 160 | 260 | 260 | 260 | 320 | 400 | 300 | | Weight(Kg) | 2.1 | 3 | 4.1 | 6.5 | 9 | 11.2 | 15.3 | 28.6 | 53 | 81 |
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| Demensions(Class 300) | |
| Size(in) | 1/2 | 3/4 | 1 | 1-1/2 | 2 | 2-1/2 | 3 | 4 | 6 | 8 | | B(mm) | 12.7 | 19 | 25.4 | 38 | 51 | 64 | 76 | 102 | 152 | 203 | | L(mm) | 140 | 152 | 165 | 190 | 216 | 241 | 283 | 305 | 403 | 419 | | H(mm) | 54 | 59 | 64 | 90 | 102 | 112 | 121 | 166 | 208 | 246 | | W(mm) | 140 | 140 | 160 | 160 | 260 | 260 | 260 | 320 | 400 | 300 | | Weight(Kg) | 2.8 | 3.6 | 4.9 | 10.4 | 10 | 16.1 | 23 | 39.5 | 82 | 124 |
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| Demensions(Class 600) | |
| Size(in) | 1/2 | 3/4 | 1 | 1-1/2 | | B(mm) | 13 | 19 | 25 | 38 | | L(mm) | 165 | 190 | 216 | 241 | | H(mm) | 180 | 180 | 250 | 300 | | W(mm) | 65 | 70 | 85 | 105 | | Weight(Kg) | 8.5 | 11.5 | 16.3 | 19.5 |
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