Types 402/403 Flanged All-Welded Diaphragm Seal PRODUCT FEATURES • Recommended for use where clamped joints are not acceptable • Assists in controlling plant emissions by helping prevent potential leakage of hazardous chemicals • Prevents inadvertent disassembly SPECIFICATIONS Model Number: Process Connection Size: Instrument Connection Size: Diaphragm Material: TYPE 403 SHOWN Bottom Housing Materials: 316 L SS, Hastellot B, Hastelloy C 22, Hastelloy C 276, Tantalum, Monel, Titanium 316 L SS, Hastellot B, Hastelloy C 22, Hastelloy C 276, Monel, Titanium Filling Fluid: Gycerin, Silicone, Halocarbon, Syltherm and others OPTIONS Stainless steel clamp rings and flanged ring – includes 300 stainless steel clamping bolts (1500 psi max) 300 series stainless steel clamping bolts (max pres is 1500 psi) Pipe plugs for flushing connections – pipe plugs are available in the same materials as bottom housings Welded instrument to diaphragm seal Dual flushing connections (1⁄2 NPT) (Limited to 2˝ and 3˝ flanged seals only Clean for gaseous oxygen or strong oxidizing agent applications. Order Example Diaphragm Capsule Material (S) Bottom Housing Material (S) C G Fill Fluid (CG) When attached to an instrument Flange Rating Flange Type All specifications are subject to change without notice. All sales subject to standard terms and conditions. © 2015 Ashcroft Inc. 03/15 Ashcroft Inc., 250 East Main Street, Stratford, CT 06614 USA Tel: 203-378-8281 • Fax: 203-385-0408 email: i

Types 402/403 Flanged All-Welded Diaphragm Seal Table 6 – Filling Fluid Table 1 – Process Connection Process Connection Flanged Flanged Flanged Flanged Flanged Flanged Table 2 – Type Glycerin Silicone All-welded diaphragm seal All-welded diaphragm seal w/flushing connection Table 3 – Diaphragm Materials 316L SS Hastelloy B Hastelloy C-276 Tantalum Monel 400 Titanium Hastelloy C-22 Table 4 – Housing Materials 316L SS Hastelloy B Hastelloy C-22 Hastelloy C-276 Monel 400(1) Titanium(2) (1) Supplied standard with Monel top housing (2) Supplied standard with Titanium top housing Table 5 – Instrument...