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Reliable Supplier High-End Gate Valve - ZDM Series Automatic recirculation control valve – Convista
Profile ZDM series Automatic recirculation valve is a kind of pump protection device. It automatic protects centrifugal pump when pump body occur cavitation damageor unstable (especially conveying hot water at low load operation). Once pump flow is lower than the preseted flow, bypass can completely open to ensure the minimum required flow pump. Even running fully closed, namely running flow is zero, the minimum flow can also pass bypass for Automatic recirculation. Pressure r... -
Factory Promotional High-End Gate Valve For Conventional Island - Bolt Bonnet Gate Valve – Convista
Products design features 1. Both design and manufacture are carried out strictly following GB/T 12234, API600 and API602. The products feature a reasonable structure, reliable seal, good performance and nice modeling. 2. Co hard alloy welded sealing surface, which is wearing resistant, erosion proof, abrasion proof and long-lived. 3. The surface and the adjusting media of the valve shaft are nitrogenized so that it is erosion and abrasion resistant. 4. PN≥15.0MPa (Class 900), ... -
Rapid Delivery for 304 Ball Valve - 5108 Swing Check Valve – Convista
Specifications Valves comply with EN16767, BS5153, MSS SP-71 or AWWA C508. Globe shape to provide full flow with low pressure drop. Suitable for mounting in horizontal and vertical position (With vertical flow upwards). Outside lever and adjustable weight or outside lever and spring. Available with flanges EN1092-2 PN10 or PN16, ANSI B16.1 Class 125 (Other flange types available on request). Options Ductile Iron construction for 25bar/300psi, DN350 and larger s... -
High reputation Ss Lug Butterfly Valve - Spring loaded low lift type with lever safety valve – Convista
Specifications A47H-16C, A47H-25C, A47H-40C A47Y-64C, A47H-64C A47Y-100C, A47H-100C This safety valve is used for the equipment and pipeline of the steam, air etc. medium what the working temperature are less than 350°C.Take for extra pressure protection devices. Flange connecting dimensions of comply with Standard series one of JB/T-94. -
One of Hottest for Hydraulic Control Valve - 5904 Grooved Ends Swing Check Valve – Convista
Specifications Superior design featuring exceptionally low-pressure losses at high flow rates. Rubber encapsulated disc facing and bronze seat ring. Spring loaded for fast closure. Grooved connections are cut in accordance with AWWA C606 or other standard groove specifications for steel pipe. Corrosion Protection Internally and externally fusion bonded epoxy powder coated (FBE). Material Specifications Body ductile iron Disc DI, EPDM/NBR ... -
Factory Cheap Hot Axial Flow Safety Shut-Off Valve - 3648 AWWA C515 NRS Resilient Seated Gate Valve – Convista
Specification Meet or exceed the requirements of AWWA C515 standard. Full waterway. 2″ Square Operating Nut. Rubber fully encapsulated ductile iron wedge. Triple O-Ring stem seal. Flange and drilling comply with ASTM B16.1 Class 125. Mechanical joint outlet complies with ANSI/AWWA C153/A21.53. Working Pressure and Temperature 150psi /200psi for size 2″ to 30″ rated at -10°C to 120 °C. 250psi for size 2″to 18″ rated at -10°C to 120... -
Factory best selling Water Level Control Valve For Water Tank - Air compressor safety valve – Convista
Specifications The valve of the air what the working temperature are less than 200℃，is air compressor specificity safety valve when the pressure of equipment exceeding the allowed value, the valve will turn on automatically and discharge the pressure entirely. When the pressure decreases to the stated value. The valve will quickly turn off automatically, in order to make the equipment run effectively. -
Hot Selling for Flange Check Valve - Through Conduit Gate Valve – Convista
Detail Design Standard: API 6D Design Configurations: Fire safe design, Low emission control, Safe gate or expanding gate, Double block &bleed, Self cavity relief, Emergency sealant injection Size Range:2″~48″ Pressure Rating：ANSI 150lb~2500lb Body Material: Carbon Steel, Stainless Steel Trim Material: Soft seal, Metal seal Operation: Gear, Motor, Gas over oil operator Product features 1.Double block and bleed seat design； 2.Operating torque is smaller than normal gate ... -
Lowest Price for Pneumatic Control Valve With Positioner - ZHD Series (Electric or Pneumatic) Minimum Flow Control Valve – Convista
Profile ZHD multistage cage control valve used multilevel cage symmetric sleeve contol valve. It complete control medium velocitywithin valve, and greatly reduced noise made by high pressure gas or steam within valve, stabile multistage pressure reducing reducing effective prevent liquid cavitation, so it’s the stable control valve used in high-pressure medium performance, customers can also select multi-spring disphragm mechanism or pneumatic actuators, etc. T... -
Hot-selling Balancing Valve - GD1 GD2 BS5163 AWWA C515 NRS Resilient Seated Gate Valve with Extension Spindle – Convista
Specifications GD1: 150≤H1≤1000, GD2: H1≥1000. The distance from the center line of the valve to the ground shall be provided by the customer. When providing the data, please be sure that the error must not exceed ±20mm. Equipped with T-wrench: 10 sets of same size gate valves are equipped with one T-wrench. Customers need to purchase this wrench if they need more. This direct buried gate valve is equipped with BS 5163 resilient seated gate valve or FM/UL NRS resilient seated ... -
Renewable Design for Hard Sealing Butterfly Valve - Closed spring loaded full bore type high pressure safety valve – Convista
Specifications A42Y-160C, A42Y-320C, A42Y-160P, A42Y-320P, A42Y-160R, A42Y-320R A42Y-160/320 type is used for the equipment and pipeline of the air, N2, H2 mixed gas, etc. medium what the working temperature are less than 200℃. A42Y-160P/320P, A42Y-160R/320R type are used for the equipment and pipeline of the quality with corrode medium what the working temperature are less than 200°C.Take for extra pressure protection devices. Flange connecting dimensions of comply with Stand... -
Best Price on Brass Valve - MX Series Minimum Flow Circulation Valve – Convista
Feature Circulatory convection, multi-stage pressure reducing mechanism, avoide cavitation efficiently, prolong service life. All the trims can be quickly removed and replaced, easy to maintain with less cost. Imported high-quality stem packing ensures leak-free without frequent replacement. Scientific construction, high-performance materials and exquisite workmanship enable both the plug and cage to have excellent anti-blocking and anti-seizure performance so that a small amo...
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