Hand Lever Wafer Type Butterfly Valve | Manual Quick Operation Solution

Introduction：

Hand Lever Wafer Type Butterfly Valve | Manual Quick Operation Solution

Tianjin Worlds Valve Co., Ltd. – ISO 9001, CE, UKCA & WRAS Certified Manufacturer

CBF02-TA04-Operation and Maintenance Manual DOWNLOAD

Technical Features & Benefits:

1. Quick Manual Operation

• 90-Degree Quick Operation: Lever enables rapid open/close control with a simple quarter-turn  

• Position Locking Mechanism: Integrated locking holes secure valve in fully open or closed positions  

• Low Operating Torque: Optimized disc design reduces required operating force by 30%

2. Wafer Space Optimization

• Compact Design: 40% lighter and more space-efficient than lug-type valves  

• Easy Installation: Simple insertion between ANSI/DIN flanges without additional nuts or bolts  

• Cost Efficiency: Reduced material and installation costs without compromising performance

3. Reliable Sealing Performance

• Bubble-Tight Shutoff: EPDM/NBR seats ensure zero leakage per EN 12266-1 Class A standards  

• Material Flexibility: Multiple seat options available for different media and temperature requirements  

• Durable Sealing: Resilient seating maintains integrity through 50,000+ operating cycles

4. Robust Construction

• Body Material: Ductile iron with epoxy coating for corrosion protection  

• Disc Options: Ductile iron, 304SS, or 316SS based on application needs  

• Stem Design: Stainless steel stem with anti-blowout protection

Standard:

Parameter	Specification
Model	CBF02-TA04
Sizes	DN50-DN1200
Pressure Class	PN6/10/16/150LB/JIS10K/AS “D”/ “E”
Design	EN593  BS5155  EN1092  ISO5211
Testing	ISO5208  EN12266-1
TOP Flange	ISO5211 (according to customer’s needs)
Face to Face	EN558-1 DIN3202 ISO5752 BS5155
Standard	ASME B16.34
Body	Ductile Iron
Disc	CF8M
Seat	EPDM
Stem	SS431

Competitive Advantages  

• Quick Operation: 90-degree lever action enables instant flow control  

• Space Saving: Compact wafer design optimizes installation in tight spaces  

• Cost Effective: Provides reliable performance at competitive pricing  

• Low Maintenance: Robust construction and quality materials minimize service needs  

• Global Compliance: CE, UKCA, and WRAS certifications ensure international acceptance  

• Visual Indication: Clear position display for operational safety and convenience

Industry Applications:

• Water Treatment Plants: Pump control, filtration systems, and chemical dosing  

• HVAC Systems: Chilled water circuits, cooling towers, and air handling units  

• Industrial Processing: Cooling water lines, process fluid control, and utility services  

• Building Services: Plumbing systems, mechanical rooms, and facility maintenance  

• Irrigation Systems: Zone control and mainline management in agricultural applications

Conclusion:

Designed for quick manual operation and space-efficient installation, this hand lever wafer type butterfly valve delivers reliable performance for water treatment, HVAC, and industrial applications requiring efficient flow control.

Meeting your specific needs:  dekai@worldsvalve.com