Chrome-Sleeve Snap-in Valves Metal Valves PVR71

  • Model NO.: PVR71
  • B: 30mm
  • Brand Name: Gt
  • Trademark: ROYAL BLACK
  • Specification: PVR70
  • HS Code: 8701901190
  • a: 32.5mm
  • Rim Hole: 11.5
  • Services: OEM Received
  • Transport Package: with Packages
  • Origin: Weifang, China
    We have been specialized in valve and valve core manufacturing for 45 years. With a registered capital of 16.8 million yuan, an area of 60,000 square meters and a floor area of 37,000 square meters, we have grown rapidly and continuously since the restructuring in 2007, have been capable of manufacturing products up to international standards in terms of human resources, economic management, technical equipment, production process and auxiliary facilities, and play an industrially leading role at home and abroad. Our "Gaotian" tire valves are applicable to inner tubes, tubeless tires and tire rims of various vehicles. Now we turn out many series and nearly 100 types of over 200 million sets of various valves, and 8,000 tons of valve copper annually.
The ISO/TS16949: 2009 quality management system certification of -ISR in November 2011; 
The ISO9001: 2008 quality management system certification of Beijing Zhongrun Certification Co., Ltd. in September 2013 and the CE certification of National Quality Assurance (NQA) in March 2014.

Maximum Pressure : 475KPA
TR NO. A B RIM HOLE 
PVR70 32.5 30 11.5
PVR71 32.5 45 11.5
PVR70C 28.5 44 11.5

If you want learn more about tire valves , welcome to contact with me. 

RF310G Long Fiber Twister Machine, which is normal pakage Twister Machine for long fiber twister, max final package is 1.5kgs:


1. Number of spindles: multiples of 32 spindles (max. 256 spindles)

2. Spindle: Ф90 cone spindle

3. Spindle gauge:225mm(255mmat frame)

4. Normal spindle speed: 10000~15000 rpm

5. Twisting range: 350~3989T/M

6. Direction of twist: S direction or Z direction

7. Specification of unwinding bobbin: 110 × Ф42

8. Winding capacity (based on L320): raw yarn: ca.1000g

                          finished yarn: ca. 700-750g

9. Winding mode: double-ended bobbin parallel winding

10. Winding angle: standard: 3°42′(9.0 cycles/single travel),2°51′(11.7 cycles/single travel)~ 6°42′(5.0 cycles/single travel);

11. Starting mode: Y-â–³slow start

12. Tension device: in combination with multi-stage drag ball and tension ring 

13. Outside dimensions: (Please refer to Fig. 1-1): 16410 ×750 ×1950(L×B×H)

14. Operation mode: double-side-double-layer

15. Applications: 30D~300D chemical fibers

16. Requirements on working environment: RH ≤85%

               Temperature: ≤30℃

There are two kinds machines, one kinds is mechnical for flange bobbin, which final package max is 1kgs, another kinds is tube bobbin, which final package max is 1.5kgs which are electical type, even TPM changed also by PLC.

tention devicespindle

tentionfilament twisterspindle speedfilament twisterRF310G


Long Fiber Twister Machine

Long Fiber Twister Machine,Twisting Machine,High Speed Twister,Yarn Twisting Machine

RIFA TEXTILE MACHINERY CO.,LTD , http://www.rifatex.com