Trunnion Three piece design

91/92 Series

טווח גודל
2”-16” (DN50-DN400)
טווח לחץ
Class 150/300

Design features

• 3-piece robust, forged valve
• Double block & bleed
• Blowout-proof robust stem design
• Bi-directional as standard
• API 6D certified (API monogram #6D-1278)
• Fire safe designed to API 6FA, API 607, ISO 10497
• Comply with NACE MR0175/ISO 15156
• Corrosion resistant low friction bearings
• Double Piston Effect or Single Piston Effect seat design
• Mixed SPE and DPE seats design also available
• Inconel springs, assist in low pressure sealing
• Stainless steel injection fittings for emergency stem or seat sealant & lubrication maintenance
• Integral top-works direct mounting pad to ISO 5211
• 6” and larger valves are equipped with lifting lugs
• 8” and above are equipped with vent and drain valves (Optional)
• Antistatic grounding between ball, stem & body


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