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Stainless Steel Lug Butterfly Valve with Worm Gear

Stainless Steel Lug Butterfly Valve with Worm Gear

The valve stem bearing use "copper sleeve", which with good wear and corrosion resistance

Keyword: / worm gear butterfly valve,stainless steel butterfly valve,marine valve /

Products Details

JRVAL specialized in stainless steel material lug type butterfly valve production, which have been focusing on stainless steel material butterfly valve production over 15 years, with over 300 customers from home and aborad.
 
Products featurers:
 
1.The valve stem bearing use "copper sleeve", which with good wear and corrosion resistance. Although cost is 50% higher than other materials,  prolong the service life by 60-70%;
2. Rubber seat contains over 50% rubber, with stable resilience and tension. Although the cost is 30% higher than that of similar products in the market, its service life can be extended by 1-2 years; valve seat option with PTFE, NBR, EPDM, FKM etc.
3.Material of worm gear includes gray iron, ductile iron, stainless steel, aluminum alloy, etc;
4. Based on different valve size and differnet opening torque, worm gear includes small torque, medium torque, large torque, single gear, double gear, tripple-gear etc;
5. With Different settings can be customerized, such as: Worm gear+signal, worm gear+indicator, worm gear+solenoid, worm gear+bracket, worm gear+ Siemens electric controller, worm gear+ indicator light and other configurations are avialable.
 

 
1. Specification Parameters
 
1.Parameters
 
 

Nominal Diameter DN(mm)

40-1200

Nominal Pressure PN(MPa)

1.0-1.6

Nominal Pressure (MPa)

Strength

1.5-2.4

Sealing Test

1.1-1.76

Main Parts

Valve Body

CF8/CF8M/CF3M

Valve Disc

Nickel Plated DI / Nylon Plated DI /CF8 /CF8M /CF3M /2507/ 2205

Valve Seat

EPDM/NBR/PTFE/VITON(Fluorine rubber) etc.

Connection Type

Lug type

 

 

 

Worm Gear

Specification

Valve Size

Gear Ration

Single Gear

Small Torque(2-6 inches)

DN50-150

24:1

Medium Torque(2-6 inches)

DN50-150

24:1

Big Torque(2-6 inches)

DN50-150

24:1

Medium Torque(8-10 inches)

DN200-250

30:1

Big Torque(8-10 inches)

DN200-250

30:1

Medium Torque(10-12 inches)

DN300-350

50:1

Big Torque(10-12 inches)

DN300-350

50:1

Double Gear

16 inches

DN400

532:1

18 inches

DN450

532:1

20 inches

DN500

532:1

24 inches

DN600

640:1

28 inches

DN700

704:1

32 inches

DN800

704:1

36 inches

DN900

832:1

40 inches

DN1000

832:1

48 inches

DN1200

800:1

 
 
 
 
 
 
 
 
 

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