ANSI 165. B API600 Cast Steel Gate Valve (Z40H)

• Model NO.: Z40H
• Material: Carbon Steel
• Pressure: Low Pressure
• Seal Surface: Wedge Gate Valve
• Usage: Regulation
• Application: Industrial Usage, Household Usage
• Trademark: KQ or OEM
• Specification: ISO Quality Management System
• HS Code: 8481804090

• Type: Direct-acting
• Connection Form: Flange
• Actuator: Pneumatic
• Thread Position of Valve Rod: Outside Gate Valve
• Standard: ANSI
• Dn15~Dn600, 1/2inch to 24inch: 150lbs~2500lbs
• Transport Package: Plywood Packing
• Origin: Shanghai China

ANSI Gate Valve (cast steel)          
 
Brief introduction:
The series of gate valves include cast steel gate valve and forged steel gate valve. They are designed and manufactured according to ANSI B16.34. With solid wedge and flexible wedge, so it can be used for different pressures. Gate valves have back seal. Back seal of forged-steel gate valve is weld with stainless steel. So it has perfect sealing. Its maintenance is convenient. Widely used in petroleum,chemistry,Water Treatment industries.
 
Features:
 
- "H" type wedge:
Gate valve has "H" type , flexible single wedge. It can compensate the distortion of body. So it has reliable sealing and prevent wedge against difficult operation because of overload. It is suitable to steam and other high temperature medium.
 
- Full port design:
Gate valve has full port. So it is convenient to clear pipeline.  - Changeable seat:
Seat and body is connected with thread. So seat can be dismantled and changed, It is convenient to maintenance.
 
- Precise design:
Design the body and bonnet according to precise calculation. body and bonnet have high strength , rigid and flow ability
 
Technical Specification
-Nominal diameter: 2"-24"
-Nominal pressure: 150Lb 300Lb 600Lb 900Lb 1500Lb
-Applicable Medium: water ,gas,oil,and other causticity medium.
 
Applications Standard
-Manufacture standard : ANSI B16.34
-Face to face dimension: ANSI B 16.10
-Flange dimension: ANSI B 16.5.MSS-SP-44
-Test: API 598. API 6D







 
 
 
 
 

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Sodium Tripolyphosphate, Na5P3O10, Molecular weight 367.86, white powder; Melting point 622 °C. free soluble in water, aqueous solution appears ACID. It has got salient chelating capacity to metal ions of Ca and Mg etc. and can soften hard water to make suspension into solution, alkalinity, without causticity. It is an inorganic compound with formula Na5P3O10, is the sodium salt of the polyphosphate penta-anion, which is the conjugate base of triphosphoric acid.Sodium tripolyphosphate is produced by heating stoichiometric mixture of disodium phosphate, Na2HPO4, and monosodium phosphate, NaH2PO4, under carefully controlled conditions.
It has different bulk density, i.e. low density 0.35-0.6g/cm 3 , medium density 0.6-0.8g/cm3 and high density 0.8-1.0g/cm3. This product has two crystalline forms, namely phase I (high temperature phase) and phase II (low temperature phase). The chemical properties of the two phases are the same, and the difference between them lies in the thermostability, hygroscopicity, solubility and hydration heat when dissolving.
It can be used as one of the main auxiliaries for synthetic Detergent, synergist for soap; water softener, tanning agent for leather making, auxiliary for dyeing; As an effective dispersion agent for suspensions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.
As an oil contamination resistance agent in paper production; As in foodstuff industry it is used as quality improver in the process of canned food, fruit juice drinks, foodstuffs from milk or soybeans. It may tender the meat in canned ham and soften the skin of horse bean in canned horse bean. It may also serves as a softener or densifier in foodstuff industry.

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