Technical parameters and characteristics
| Product |
Parallel Disc Gate Valve |
| Nominal diameter |
2" - 48" |
DN50 - DN1200 |
| Design temp. |
-196℃ - 593℃ |
| Design pressure |
class 150 - 1500 |
PN16 - PN250 |
| Material |
A216 WCB, WCC; A217 WC6, WC9, C5, C12A; A352 LCB, LCC;
A351 CF8, CF8M, CF3M, CF8C, CN3MN, CK3MCUN, CN7M;
A890 4A(CD3MN), 5A(CE3MN), 6A(CD3MWCuN);
ASTM B 148 C95800, C95500 |
| Design standard |
API 6D |
| Face to Face |
ASME B16.10 |
EN558 series |
| Connection end |
RF, RTJ, BW |
EN1092 series |
| Test standard |
API 598, ISO 5208 |
EN12266-1 |
| Operation |
Hand wheel, bevel gear, electric-AUMA, Rotork, pneumatic |
| Application |
Power station, petroleum, tap water engineering, chemical engineering |
| Feature 1 |
Single Disc |
| Feature 2 |
Double Disc |
| Feature 3 |
SOFT seal: fire safe, double sleeve sealed, double block & bleed, self cavity relief, emergency sealant injection, diversion hole design. |
| Feature 4 |
Metal seal: double sleeve sealed, hard seat seal, double block & bleed, self cavity relief, diversion hole design. |
Technical Data
(1) Nominal Diameter DN(mm):DN40-DN1200 (1-1/2"~48")
(2) Nominal Pressure PN(MPa): 0.6MPa~10.0MPa (class150~class900)
(3) Testing Pressure PN(MPa): Shell: 0.9~15 MPa Sealing: 0.66~11 MPa
(4) Suitable Mediums: Water,Steam,Oils,Gas
(5) Working Temperature:-20~+425°C
Design consideration
Design Standard: API 600 , EN10434 , DIN3352
Face to Face: ASME B16.10, EN 558, DIN3202
End Flange: ASME B16.5(ASME B16.47), EN1092, DIN2533
Butt welding Ends: ASME B16.25, EN12627, DIN3239
Inspection and Test: API 598, en12266, DIN3230
Body Material could be
Cast steel / stainless steel 304/316