Yarway Blowdown Valves 300lb Cast Steel Slow Opening In Stock

Manufacturer:
Yarway
Description:

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The seatless blow-off valve is a sliding plunger type, opened and closed by means for a handwheel and non-rising stem, and sealed against leakage by packing rings above and below the ports. This valve is provided with heavy coil compression springs under the yoke nuts. Designed to prevent leaking when the valve is open, yoke nuts are screwed down evenly and tightly placing compression on the springs and the packing rings. Ample flow are is provided in hollow plunger; absence of projections or pockets prevents accumulation of scale and sediment that can impede flow and shorten the life of the valve. Annular space in the body permits pressure to surround the plunger, making the valve a fully balanced unit easy to operate at high pressures. For complete protection of the packing, the valve has a long-stroke plunger so that packing is never exposed to the mainstream flow. The gland and plunger have double inlet ports to balance flow pressures.

 

Item#: Yarway 3486R
Item Name: Yarway 3486R Angle 300 # Blowdown Valve
Lead Time: In Stock. Available for immediate shipment.
Specifications For Angle Valves
Part # Size # of Bolt Holes Model # Type Pressure
Rating
Class
Pressure Rating
Blow-Off (max. psig)
Cv Weight, lbs.  
923615-02 1" 4 BH 3486R Angle 300 490 27 38 Add to RFQ Dimensional Chart
923615-05 1 1/4" 4 BH 3486R Angle 300 490 27 42 Add to RFQ Dimensional Chart
958614-02 1 1/2" 4 BH 3486R Angle 300 490 30 45 Add to RFQ Dimensional Chart
958616-02 2" 8 BH 3486R Angle 300 490 58 65 Add to RFQ Dimensional Chart
923505-02 2 1/2" 8 BH 3486R Angle 300 490 73 90 Add to RFQ Dimensional Chart
Item#: Yarway 3488R
Item Name: Yarway 3488R Straightway 300 # Blowdown Valve
Lead Time: In Stock. Available for immediate shipment.
Specifications For Straightaway Valves
Part # Size # of Bolt Holes Model # Type Pressure
Rating
Class
Pressure Rating
Blow-Off (max. psig)
Cv Weight, lbs.  
923615-03 1" 4BH 3488R Straightway 300 490 27 38 Add to RFQ Dimensional Chart
923615-08 1 1/4" 4BH 3488R Straightway 300 490 27 42 Add to RFQ Dimensional Chart
958614-05 1 1/2" 4BH 3488R Straightway 300 490 30 45 Add to RFQ Dimensional Chart
958616-05 2" 8BH 3488R Straightway 300 490 58 65 Add to RFQ Dimensional Chart
923505-05 2 1/2" 8BH 3488R Straightway 300 490 73 90 Add to RFQ Dimensional Chart
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