Product Description
Body Style (NPS): 3/4 and 1 Inch. Body Size (DN): 20 and 25. Elastometer Seat, For Standard Applications, 316 Stainless Steel. Also Suitable for NACE Applications. Key 3* Orifice, *Recommended spare part.. Types 98L and 98H are direct-operated, spring-loaded backpressure regulators or relief valves. Typical applications include use in wash tanks, small heaters, fuel and oil lines, air supply systems, test fixtures and sterilizers. Relief pressure ranges are 2 to 38 psig / 0.14 to 2.6 bar, in four ranges, for Type 98L and 15 to 200 psig / 1.0 to 13.8 bar, in four ranges for each sizes, for Type 98H. Type 98L is available on body sizes NPS 1/4, 1/2, 3/4 and 1 / DN 15, 20 and 25 and Type 98H on body sizes NPS 1/4, 1/2, 3/4, 1, 1-1/2 and 2 / DN 15, 20, 25, 40 and 50. Available Constructions - Type 98L: Direct-operated low-pressure backpressure regulator/relief valve with internal pressure registration and standard adjusting screw for 2 to 38 psig / 0.14 to 2.6 bar set pressure range Type 98H: Direct-operated high-pressure backpressure regulator/relief valve with internal pressure registration and standard adjusting screw for 5 to 200 psig / 0.34 to 13.8 bar set pressure range Type 98HM: Direct-operated high-pressure backpressure regulator/relief valve with external pressure registration and standard adjusting screw for 5 to 275 psig / 0.34 to 19.0 bar set pressure range. Fisher Controls. Emerson. 1L343135072.