RESILIENT SEATED GATE VALVE Sumary;
Flat bottom seat ring intergral with the body, inside and outside
epoxy resin coating, wedge wholly bonded with rubber, three O ring
sealing, these all insure excllent corrosion protection and
reliable sealing capability. Upon request, the gate valve can be
actuated by operating lever, hand wheel, electrial actuator and so
on.
Unique Design:
Compact design: one-piece bonnet,non-rising stem.
Stem nut is separated from wedge,no seizing-up.
Flat bottom seat ring insure no dead space.
O ring design for stem back sealing leasds to maintenenance-free.
Excellent anti-corrosion protection:
Inside epoxy resin coating or vitreous enamel(upon request),outside
epoxy resin
coating.
Socket head cap bolts,sealed with glue on the top.
Reliable health nature:
Epoxy resin coating complies with the GB/T17219
Wedge bonded with rubber for the health inspection.
Trims are made of stainless steel or bronze.
Scope of application:
Potable water supply,industrial fields. Design standard:DIN EN 1172(DIN 3352)
Flange: DIN EN 1092-2(DIN2501, GB/T17241)
Face to face dimension:DIN EN558-1(DIN3202,ISO5752)
Testing stabdard: DIN12266-1(DIN3230.ISO5208)
Working temperature: NBR≤80℃
EPDM≤120℃ Technical characteristics testing standard | DIN EN 12266-1or JB/T9092 | norminal pressure | 1.0MPa | 1.6MPa | strength testing | 1.5MPa | 2.4MPa | functional testing | 1.1MPa | 1.76MPa |
零 Main components and their materials
NO. | PART | material | 1 | body | GGG | 2 | wedge | GGGNBREPDM bonded with NBR or EPDM | 3 | stem | 2Cr13,316,316Ti,304,1Cr17Ni2 | 4 | stem nut | bronze ZcuA110Fe3 | 5 | middle gasket | NBREPDM NBR or EPDM | 6 | bonnet | GGG | 7 | bolt | Q235-A.2Cr13,304 | 8 | lubricant gasket | POM | 9 | O O ring | NBREPDM NBR or EPDM | 10 | OO ring | NBREPDM NBR or EPDM | 11 | seal bush | POM | 12 | seal cover | 2Cr13304 2Cr13 or304 | 13 | dustproof cover | NBREPDM NBR or EPDM | 14 | top cover | Pa-66 | 15 | hand wheel | GGG | 16 | screw | 2Cr13,304 |
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