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Description
The type 687 is a compact valve with many features which make it ideal for pharmaceutical and bio-processing applications.

Standard Features
  • Compact design
  • Sanitary internals
  • FDA compliant diaphragms
  • 316L stainless steel body
  • Triclamp®, O.D. Tubing, ISO, and DIN end connections
  • Sizes 1/2" - 4"
Available Options
  • Handwheel, manual override
  • Electrical limit and proximity switches
  • Visual position indicator
  • Pneumatic and electro-pneumatic positioners
  • Stoke limiters
  • Safety packing
  • "V" notch vent plug
Special connections
Hose barb, tube extensions, Swagelok®, Cajon VCR®, Ingold®, and others available upon request.
Fabrications
Cluster valve assemblies for both horizontal and vertical orientations, Zero Static T-valves, Duplex, Multiported, Tank Bottom, and custom fabrications upon request.
Materials
AL-6XN®, Hastelloy®, Titanium®, and others available upon request.

Typical Applications
  • Pharmaceutical manufacturing
  • Bioprocessing
  • Cosmetic
  • Brewery Service
  • Food and Beverage
  • Semiconductor
  • High Purity Chemicals

Specifications

Note Please click "Magnifying Glass" next to the attributes listed below to view helpful information.
Type 687
Nominal Size DN 10 DN 100 DN 15 DN 20 DN 25 DN 40 DN 50 DN 65 DN 8 DN 80
Body Configuration 2-way angled valve body 2-way valve body Multiported valve body (Call Factory 678-553-3400) Tank bottom valve body U-bend Zero Static T-Valve
Connection
Butt weld O.D. Tubing Butt weld O.D. Tubing Butt weld O.D. Tubing Butt weld O.D. Tubing Extended O.D. Tubing Extended O.D. Tubing by Triclamp® Extended O.D. Tubing by Triclamp® Extended O.D. Tubing by Triclamp® Extended O.D. Tubing Extended O.D. Tubing O.D. Tubing by Triclamp® O.D. Tubing by Triclamp® Tri-clamp® Tri-clamp® Tri-clamp® Tri-clamp®
Body Material Forged Body: Stainless steel 316 Δ 1.4435 (ASTM A 182) Machined Block: Stainless steel 316 Δ 1.4435 (ASTM A 479) Machined Block: Stainless steel 316 Δ 1.4435 (ASTM A 479) Machined Block: Stainless steel 316 Δ 1.4435 (ASTM A 479)
Diaphragm Material1 2nd generation, modified Teflon® with Ethylene-propylene backing 2-piece molded closed (TFM/EPDM) 2nd generation, modified Teflon® with Ethylene-propylene backing 2-piece molded closed (TFM/EPDM) Ethylene-propylene Rubber for saturated steam max 302° F (EPDM) Ethylene-propylene Rubber for saturated steam max 302° F (EPDM) Ethylene-propylene Rubber for saturated steam max 302° F (EPDM) Ethylene-propylene Rubber for saturated steam max 302° F (EPDM) Ethylene-propylene Rubber for saturated steam max 302° F (EPDM) Ethylene-propylene Rubber for saturated steam max 302° F (EPDM)
Control Function Double acting Double acting Normally closed Normally closed Normally open Normally open
Pipe Main Size 1/2 3/4 1 1 1/2 2 2 1/2
Pipe Main Connection 59 80 94 95
Surface Finish
10 µ-in. (E-pol) 11 µ-in. (Mechanical) 15 µ-in. (E-pol) 20 µ-in. (E-pol) 20 µ-in. (Mechanical) 25 µ-in. (Mechanical)
Min. Required Control Pressure DN 15-50: 45 psi DN 80+100: 82.5 psi
Max. Permissible Control Pressure DN 15-50: 90 psi DN 80+100: 105 psi
Max. Perm. Temperature of Control Medium 104 ºF
Actuator Volume DN 15-25: 9.2 in³ DN 32+40: 21.4 in³
Max. Permissible Working Temperature2 302 ºF
Note For Multiported Valve Body Configuration, Please consult factory for other options.

Note

N/A The valve will seal against flow in either direction up to full working pressure.

  • 1 All diaphragms listed conform to the FDA code of Federal Regulations paragraph 177.2600 of section 21.
  • 2 Depending on diaphragm and body materials