Pressure Self Sealing Gate Valve
| Parts | Standard materials | Stainless steel | Low temperature environment |
High temperature environment |
Acidic environment |
|---|---|---|---|---|---|
|
Body |
ASTM A216 WCB |
ASTM A351 CF8M |
ASTM A352 LCC |
ASTM A217 WC9 |
ASTM A216 WCB |
|
Race |
ASTM A105N+STL.6 |
ASTM A182 F316+STL.6 |
ASTM A350 LF2+STL.6 |
ASTM A182 F22+STL.6 |
ASTM A105N+STL.6 |
|
Ram |
ASTM A216 WCB+Cr13 |
ASTM A351 CF8M |
ASTM A352 LCC |
ASTM A217 WC9+Cr13 |
ASTM A216 WCB+Cr13 |
|
Stem |
ASTM A182 F6a |
ASTM A182 F316 |
ASTM A182 F316 |
ASTM A182 F6a |
ASTM A182 F6a(NACE) |
|
Stuffing box |
ASTM A105 |
ASTM A182 F316 |
ASTM A350 LF2 |
ASTM A182 F22 |
ASTM A105N |
|
*Sealing ring |
Stainless steel/Graphite |
Stainless steel/Graphite |
Stainless steel/Graphite |
Stainless steel/Graphite |
Stainless steel/Graphite |
|
Packing ring |
ASTM A276 410 |
ASTM A276 316 |
ASTM A276 316 |
ASTM A276 410 |
ASTM A276 410(NACE) |
|
Quarto ring |
ASTM A182 F6a |
ASTM A182 F316 |
ASTM A182 F316 |
ASTM A182 F6a |
ASTM A182 F6a(NACE) |
|
Bonnet |
ASTM A216 WCB |
ASTM A351 CF8M |
ASTM A352 LCC |
ASTM A217 WC9 |
ASTM A216 WCB |
|
Fille |
Graphite |
Graphite |
Graphite |
Graphite |
Graphite |
|
Bonnet bolt |
ASTM A193 B7 |
ASTM A193 B8 |
ASTM A320 L7 |
ASTM A193 B16 |
ASTM A193 B7M |
|
Bonnet nut |
ASTM A194 2H |
ASTM A194 8 |
ASTM A194 7 |
ASTM A194 4 |
ASTM A194 2HM |
|
Support bolt |
ASTM A193 B7 |
ASTM A193 B8 |
ASTM A320 L7 |
ASTM A193 B16 |
ASTM A193 B7M |
|
Support nut |
ASTM A194 2H |
ASTM A194 8 |
ASTM A194 7 |
ASTM A194 4 |
ASTM A194 2HM |
|
Packing plate |
ASTM A105N |
ASTM A182 F316 |
ASTM A350 LF2 |
ASTM A182 F22 |
ASTM A105N |
|
Pressing sleeve |
ASTM A276 410 |
ASTM A276 316 |
ASTM A276 316 |
ASTM A276 410 |
ASTM A276 410(NACE) |
|
Packing plate seat |
ASTM A216 WCB |
ASTM A351 CF8M |
ASTM A352 LCC |
ASTM A217 WC9 |
ASTM A216 WCB |
|
Knuckle bolt |
ASTM A193 B7 |
ASTM A193 B8 |
ASTM A320 L7 |
ASTM A193 B16 |
ASTM A193 B7M |
|
Knuckle nut |
ASTM A194 2H |
ASTM A194 8 |
ASTM A194 7 |
ASTM A194 4 |
ASTM A194 2HM |
|
Support |
ASTM A216 WCB |
ASTM A351 CF8M |
ASTM A352 LCC |
ASTM A217 WC9 |
ASTM A216 WCB |
|
Stem nut |
ASTM A439 D-2 |
ASTM A439 D-2 |
ASTM A439 D-2 |
ASTM A439 D-2 |
ASTM A439 D-2 |
|
Lubricating nipple |
Carbon steel |
Stainless steel |
Stainless steel |
Carbon steel |
Carbon steel |
|
Lock nut |
Carbon steel |
Stainless steel |
Stainless steel |
Stainless steel |
Stainless steel |
|
Hand wheel |
Ductile iron |
Ductile iron |
Ductile iron |
Ductile iron |
Ductile iron |
|
Screws |
Carbon steel |
Stainless steel |
Stainless steel |
Carbon steel |
Carbon steel |
|
Hand wheel nut |
ASTM A439 D-2 |
ASTM A439 D-2 |
ASTM A439 D-2 |
ASTM A439 D-2 |
ASTM A439 D-2 |
*Sealing ring: 4"and below stainless steel + graphite; Stainless steel above 4'