3M 311 1254 E A R Disposable Corded Ear Plugs, Bullet, 33 dB NRR, 200 PK G8541355 Water Pressure Valves 200 Water Pressure Valves 200 psi Mounting Orientation Horizontal 3 A Standard Compliance Not Rated Connection Type Side 2 NPT Operating Temperature Minimum 0 Degrees F Valve Body Style Inline Maximum Pressure Operating 200 psi Connection Type Side 1 NPT Operating Temperature Maximum 300 Degrees F Vacuum Service Rating Not Rated Maximum Pressure Steam 80 psi Connection Gender Side 2 Female Check Mechanism Material 304 Stainless Steel For Media Steam ) 990 Carriage Finish Anodized Roller Finish Polished Max Insertion Method Roll Down Wrapped Pairs