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About Us

Gansu Hongfeng Machinery Co., Ltd. is located in Pingliang City, Gansu Province, an important town in the center of the ancient Silk Road and Shaanxi, Gansu and Ningxia, and is a high-tech enterprise restructured and reorganized by the state-owned 920 Factory, a large-scale second-class military enterprise, and a backbone enterprise of strategic emerging industries in Gansu Province.

Service

In the course of specializing in the production of energy-saving products and energy-saving devices such as traps and condensate recovery devices, "Hongfeng" takes the revitalization of the national equipment manufacturing industry and the creation of a national brand of traps as its own responsibility, closely tracks the development trends of science and technology and production trends, adheres to the technological innovation strategy of "no one has me, no one has me, no one has me, and I am new", and has realized the transformation from technology introduction, reference and absorption to independent innovation and independent development.

Quality

Based on the strict requirements of the steam system for the reliability, stability, durability and safety of pump and valve equipment, the company has established a complete set of quality assurance and control systems including procurement management, production control, performance verification, quality inspection, after-sales service, etc., and wholeheartedly escorts high-quality products.

News

We always respect and love our customers, and regard them as friends and siblings, and dedicate perfect services with a grateful heart, because customers are the pillar and source of our career success.

TB31N

Nominal size DN: 15 ~ 20 25 32 ~ 50

Connection mode: internal thread, socket welding, flange
Nominal pressure PN: PN25
Pressure difference range: MPa: 0.01 to 1.6
PMA/TMA PMa/℃ : 1.7/260
Shell material: A105

Service Support Selection reference Hongfeng Classroom

Download TB31N

Features

1. Using a unique SCCV closing method, reliable closing, durable.

2. The discharge temperature can be adjusted when the pipe network is running, and the sensible heat in the high temperature condensate water can be effectively used, and the energy saving effect is remarkable.

3. There is always high temperature condensate in front of the valve to form a reliable water seal without steam leakage.

4. Water shock resistance, good air discharge performance.

5. No noise when moving, have to protect the environment.

Application: Used for steam main, steam tracing pipeline, radiator, low temperature heating tank, sandwich pot, heating, etc.

Note: The front end of the trap is preferably not insulated within 1m. In order to accurately adjust the factory status, the user must provide the on-site working pressure and set the opening temperature of the valve, if not provided, our company will adjust the factory status according to 0.5Mpa and 90℃.

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