CAST IRON GATE VALVE 30CH6BR

CAST IRON GATE VALVE 30CH6BR

GATE VALVE 30CH6BR is a flanged cast iron parallel double-disk gate valve with a rising stem. It is manufactured with nominal diameters (DN) of 50, 80, 100, 125, 150, 200, 250, 300, 350, 400, 500 mm and a nominal pressure (PN) of 10 Bar. Working medium: water, steam. Tightness class of the gate: "C" and "D" according to GOST 9544-93. Designed for operation in water supply and heating systems with a maximum medium temperature of up to 225 °C.

Closing and opening of the 30ch6br gate valve is performed manually. Due to the progressive movement of the stem when turning the handwheel, the wedge rests against the support wall, pushing the disks apart. As a result, the sealing surfaces of the disks are pressed against the sealing surfaces of the body, ensuring the closure of the passage. 

No.Product NameDimensions (DN)UnitPrice (incl. VAT)Origin
1Cast iron gate valve 30ch6br150pcs1 sumRussia

Technical Specifications

SpecificationValue
Gate Valve30ch6br 
Nominal Pressure PN, Bar10 
Working MediumWater, steam 
TypeParallel double-disk 
Body MaterialGrey cast iron 
Sealing Rings MaterialBronze / Brass 

 

Working Temperature, °C

up to 225 
Connection TypeFlanged 
OperationManual with rising stem 

Maintenance

Operation of 30ch6br PN10 cast iron gate valves requires periodic visual inspection and maintenance, which includes:

Timely elimination of leaks in the gland and gasket connections by uniform tightening of the bolts.

Replacement of the gland packing.

In case of lack of gate tightness — cleaning the gate from deposits and lapping the seals.

Cleaning and lubrication of the stem.

Troubleshooting

Malfunctions of 30ch6brPossible CauseRemedy
Tightness of the parallel double-disk gate is broken

The passage is not completely closed


 

Sealing surfaces are damaged or worn

Apply the calculated force to the handwheel


 

Lap or repair the defect

Leakage through gasket connections

Insufficient gasket sealing or loose bolt tension


 

The gasket is worn out

Tighten the bolts evenly


 

Replace

Gland leaks medium

Insufficient packing compression


 

Gland packing is worn out

Tighten the bolts


 

Add packing or replace with a new one

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