PTFE Bellow Mechanical Seals for Extreme Chemical Service 10T

Model: GW 10T/10R

Features:

• Full PTFE wetted path

• Externally mounted seal design

• Unbalanced type seal

• Flexible PTFE bellow

• Precision-engineered

This advanced mechanical seal solution is specifically engineered to withstand the most challenging chemical environments across multiple industrial sectors:

   • Chemical processing industries (handling concentrated acids, aggressive solvents, and strong oxidizers)
   • Pulp and paper manufacturing facilities
   • Water and wastewater treatment plants
   • Pharmaceutical and food processing operations

DETAILS & SPECIFICATIONS

Product Detail

The GW 10T/10R mechanical seal incorporates an innovative PTFE bellow design specifically developed for handling highly aggressive media. This externally mounted configuration provides complete chemical resistance while ensuring operational reliability in demanding applications involving concentrated acids, corrosive salts, and reactive organic compounds. The unique bellows construction offers superior flexibility, compensating for shaft misalignment, end play, and thermal expansion, thereby extending service life in harsh operating conditions.

Validated Equipment Compatibility:
• Chemical process pumps
• Acid transfer and dosing systems
• Corrosive fluid handling equipment
• Agitators and mixers in chemical reactors

Equivalent Products

• JohnCrane®: Type 10T
• AESseal®: Type B08
• Vulcan®: Type 10R

*Cost-effective alternative manufactured under ISO9001 quality standards, offering identical dimensional specifications and equivalent performance characteristics while providing significant savings.

Material and Operating Range

Material Construction:
• Rotary ring: Filled PTFE/ Silicon Carbide (SiC)
• Stationary ring: 99% Ceramic /SiC
• Secondary ring: PTFE
• Metallic components: SUS304/SUS316

*Customization services offered for special material requirements and non-standard dimensional specifications to meet specific application needs.

Operating Envelope:
• Temperature Range: -20 ℃～120℃
• Pressure Limit: ≤1 MPa
• Maximum Surface Speed: 15 m/s (3000 fpm)
• Chemical Resistance: Excellent against most aggressive media

Compatible Media:
• Concentrated acids and alkalis
• Strong oxidizing/reducing agents
• Chemical solvents and reactive organic compounds
• Process water and sewage slurries abrasive content
• Pharmaceutical intermediates

*For specific application requirements or unusual operating conditions, our technical team provides comprehensive support for material selection and seal configuration optimization.

Installation Dimensions

Size	D3	D2	D1	L2	L1
25.40	60	54	42.86	17.6	33.2
28.60	67	65	50.80	27.0	33.2
31.75	69	68	53.98	27.0	37.2
34.93	72	71	57.15	27.0	38.2
38.10	76	78	63.50	27.0	38.2
41.28	80	81	66.68	27.0	40.2
44.45	84	84	69.85	27.0	40.2
47.63	86	87	73.03	27.0	43.2
50.80	90	97	79.38	33.3	43.2

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