• The YFL forged steel bellows seal gate valves with forged body are suitable for high pressure and high temperature;
• The YFL 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