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Carbon Steel Material Ball Valve Floating Type Gb Standard Size Dn80

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Address: Jianshe South Street, Yuhua District, Shijiazhuang City, Hebei Province, China

Contact name:Ada Chen

China • Yuanda Valve Group Co., Ltd.

Carbon Steel Material Ball Valve Floating Type Gb Standard Size Dn80

Country/Region	china
City & Province	shijiazhuang hebei

Product Details

Carbon Steel Material, GB Standard Size DN80 Floating Ball Valve

Usage:

This valve is suitable for opening and closing of water, steam and oil pipelines, Main body material is carbon steel WCB, applicable temperature ≤ 150 ℃, applicable medium: water, oil and steam.

Connection size

Type	DN	L	D	D1	D2	b-f	Z-Φd	H
Q41F-16C	40	180	150	110	84	18-2	4-Ф18	133
	50	200	165	125	99	20-2	4-Ф18	140
	65	220	185	145	118	20-2	8-Ф18	155
	80	241	200	160	132	20-2	8-Ф18	182
	100	305	220	180	156	22-2	8-Ф18	208
	125	356	250	210	184	22-2	8-Ф18	249
	150	395	285	240	211	24-2	8-Ф22	277
	200	457	340	295	266	24-2	12-Ф22	328

Main part material

Main part	Material
Body	WCB
Stem,Ball	2Cr13
Seal,packing	PTFE

Possible faults and elimination methods

Possible faults	Cause of failure	Fault elimination method
Leakage of sealing surface	1. The middle flange bolts are loose. 2. The sealing surface is damaged.	1. Evenly tighten the middle flange bolts. 2. Trim the sealing surface or replace the parts.
Packing leakage	1. Insufficient packing. 2. Packing is not compacted.	1. Add filler. 2. Compact packing
Leakage at middle mouth	1. The Sino French pad is damaged or invalid. 2. The middle flange bolts are not tightened.	1. Replace the middle flange gasket. 2. Evenly tighten the middle flange bolts

Storage, installation and use instructions

1. The product shall be stored in a dry warehouse and shall not be stored in the open air.
2. For long-term storage, regular maintenance is required.
3. This product can be installed at any position of the pipeline or equipment, but it should be easy to open and close.
4. Pressure test shall be carried out before installation, and installation can only be carried out if it meets the requirements.
5. Clean the pipe and valve cavity before installation.
6. The product shall not be subjected to large external force after installation.
7. The position of the handle indicates that the valve is open or closed. The handle is opened when it is parallel to the pipeline axis, and closed when it is perpendicular to the pipeline axis.
8. The operating conditions shall be consistent with the requirements of the performance specifications.