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Type 1670 John crane

Mechanical seal john crane

Type 1670

seal-1670-john-crane

API 682 Category II and Category III, Type B, Arrangement 1 Single Rotating Metal Bellows Cartridge Seal Type 1670

The Type 1670 is a factory pre-set edge-welded metal bellows API 682/ISO 21049 qualified cartridge seal with Alloy C-276 (UNS N10276) rotating welded metal bellows. The seal is available with either a fixed, floating or segmented bushing option with either a single-point or distributed flush arrangement. The Category III seals come with appropriate documentation in accordance with the API 682 specification. The cartridge arrangement greatly simplifies installation and maintenance and ensures trouble-free installation.

Product Description Type 1670

Type 1670- Category 2 and 3, Type B, Arrangement 1 single rotating alloy C-276 (UNS N10276) bellows cartridge seal is available with a fixed, floating, or segmented bushing option with either a single point or distributed flush arrangement.

Category 3 seals are provided the appropriate documentation in accordance with API 682.

Table Parameters Type 1670

Temperature Limits -100°F to 500°F/-75°C to 260°C

 

Pressure Limits Vacuum to 300 psi(g)/20 bar(g)

 

Speed Limits 5000fpm/25m/s

Features Type 1670

  • California Residents: PROPOSITION 65 WARNING
  • API 682 qualification tested.
  • Easy-to-install cartridge design with registered fit.
  • Static secondary seals.
  • Segmented spring-loaded carbon throttle bushing for effective containment (optional).
  • Distributed flush optimizes circulation of liquid at the faces and prevents trapped vapor.
  • Available with a pumping ring when utilizing and API Plan 23. Pressures up to 300 psi(g)/20 bar(g).
  • API 682 design features.
  • Mating ring is a reaction-bonded silicon carbide standard or tungsten carbide nickel-bound option.
  • Premium-grade carbon primary ring.

Recommended Applications Type 1670

  • Process pumps

Material Mechanical seal Type 1604

  • Seat/Mating Ring: Silicon Carbide Reaction Bonded
  • Insert/Primary Ring: Premium Grade Carbon Tungsten Carbide Nickel Bound Sintered Silicon Carbide
  • End Fittings: Alloy C-276 (UNS N10276)
  • Bellows: Alloy C-276 (UNS N10276)
  • Adaptive Hardware: 316 Stainless Steel (UNS 31600)
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