1. Special dust-proof design of shaft.
2. One-Piece shaft design is Blow-Out Proof ATEX.
3. Patented Seat Retainer Ring attaches without bolts allowing complete uninterrupted seal face.
4. The seat is chosen by Teflon Seat and Metal Seat.
5. Standard material is A216 WCB、A351 CF8、A351 CF8M, more detail please consult with VALUE VALVESCO .,LTD.
6. Press assisted to give bi-directional
Specifications:
1. Body style: Wafer type, Lug type, Flange type
2. Body shell thickness: ASME B16.34
3. Mounting: ISO 5211
4. Design & Pressure:ASME B16.34, ASME B16.5, EN 593
5. Face to Face:API 609, ISO 5752
6. Inspection and Testing: ISO 5208, API 598, MSS SP-61 : MSS SP-68
7. Fire safe: API 607
8. VOC: ANSI/ISA-SP-93, TA-Luft,ISO 15848-1
9. Standard Marketing System:MSS-SP-25
10. EX certificate: ATEX 94/9/CE Group II Category 2 GD
11. Leakage Class: ANSI FCI 70-2-2003 Table 1 CLASS V, ISO 5208 Rate A, ANSI/ISA-SP-93
12. Flange connection: ASME B16.5 Class 150/300, ASME B16.47 Class 150/300
(Other flange connection please contacts with Value Valves Co., Ltd.)
*Technical information is only for reference. Value Valves Co., Ltd. reserves the right to change without previous notice.