• The SV forged steel bellows seal gate valves with forged body are suitable for high pressure and high temperature;
• The SV extended stem bellows seal gate valve with extended stem is suitable for low temperature conditions;
• The metal bellows connect the cover and stem to keep the stem without leakage;
• Double seal design with bellows seal and packing seal protects against leakage and provides excellent seal;
• Grease nipple can lubricate the stem, nut and sleeve.

Product range:

• Size:1/2’’ ～2’’, DN15～DN50
• Pressure rating: Class 150lbs～1500lbs, PN16, PN25, PN40
• End connection: Flanged RF, RTJ, BW
• Body materials: A105,LF2,F5,F9,F11,F22,F304,F304L,F316,F321,F51 etc.
• Operation: handwheel, gear, electric, pneumatic

Technical standards:

• Design: API602, DIN3356
• Face to Face: ASME B16.10, DIN3202
• Flanged ends: ASME B16.5, DIN2543, DIN2545
• BW ends: ASME B16.25, EN12627
• Test and inspection: API598, DIN3230