4″ stack vent valve with enhanced sealing stack. 1 oz/sq.in pressure setting. Includes Viton seals. For sour service. Model 940.
View cart “BL & ST 1-3/8 IN BL X 2-1/4 IN ST TC” has been added to your cart.


4″ stack vent valve with enhanced sealing stack. 1 oz/sq.in pressure setting. Includes Viton seals. For sour service. Model 940.
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