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日本六九视频tv 免费

 
日本六九视频tv 免费
 
小茄子直播视频说明:

NON-RISING STEM, RESILIENT SEATED GATE VALVE, PN25 (DN40-300)
ApprovalEN1074-2, WRAS, CE, ISO9001

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• Design comply to EN1171 / EN1074
• Face to face lengths are to EN558-1, DIN3202-F4/F5, BS5163,
• Flanges are drilled to EN 1092-2, PN25
• Pressure Rate: PN25
• Test: Body test 1.5 x PN, Seal test 1.1 x PN
• Coating: Fusion bonded epoxy coating WRAS Approved
• Medium: Neutral water, Drinking water, Sewage
• Temperature Range: 0℃ - 80℃

日本六九视频tv 免费

日本六九视频tv 免费 

• 100% water tightness
• 100% testing before packing and delivery
• Completely free and full bore, self clearning & low pressure loss.
• Clockwise closing (CWC) as standard, anti-closewise closing upon request.
• Operation: Manual handwheel, Square cap, Extension Spindle, Gearbox, Electric actuator
• Threads rolled in a separate cold pressing process to enhance strength,
   Standard material AISI-420 (X20C13), other material upon request.
• Rolled threads ensure smooth thread edges and low operating torques
• Bonnet bolts in Galvanized carbon steel, sealed with hot melt to prevent corrosion.
   other material upon request.
• O-ring bonnet gasket wraps each bolt to prevent corrosion
• Wedge: Ductile iron fully encapsulated as standard by EPDM.
   Linear sealing design provides better sealing & lower closing torque.
   WRAS Approved for drinking water upon request.
• Wiper ring - prevent impurities from entering the stem and to protect o-rings
• The watertightness for the spindle is obtained with three o-rings stem seals.
   two o-rings to reduce friction and prevent wear and tear,
   online replaceable under full pressure with valve fully opened;
   Third o-ring protects upper stem from impurities entering from the water way
• Coating - Electrostatically applied WRAS Approved fusion bonded epoxy coating
   inside and outside for excellent corrosion resistance.
   Standard color similar to RAL 5005, other colors upon request. Suit to drinking water.
• Designed and built to widely recognized international standards.


日本六九视频tv 免费

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