One-Piece High-Temperature Ball Valve

Caliber: NPS 1/2″ ~ 8″
Design and manufacturing: API608、API6D
Face-to-face dimensions: ASME B16.10、API6D
Connection forms: Flange
Pressure test: API598、API6D
Temperature level: ≤ 120°C(RTFE), ≤ 250°C(PPL)
Pressure: Class600-Class1500

Product Overview

A one-piece high-temperature ball valve is a robust flow control device engineered to manage the flow of high-temperature fluids in various industrial applications. Its monolithic body design enhances structural integrity, minimizing potential leak paths and ensuring reliable performance under extreme conditions. The valve’s compact structure and reliable sealing make it suitable for applications involving solvents, acids, natural gas, and other general working media. Additionally, it is effective in handling media with harsh working conditions, such as oxygen, hydrogen peroxide, methane, and ethylene.

Product Features

Low fluid resistance with full-bore design for efficient flow.
Compact, lightweight structure for easy installation and maintenance.
Reliable PTFE sealing for complete shutoff.
Quick 90-degree operation for seamless control.
Isolated sealing surfaces prevent erosion.
Handles suspended particles effectively.
Versatile for high vacuum to high-pressure environments.
Cost-effective and durable for extreme conditions.

Specification Parameters

Nominal Diameter (in/MPa)		NPS 1/2 ~ 8 Class 600 ~ Class 1500
No.	Part Name	Carbon Steel	Material
1	Body	ASTM A216 WCB	ASTM A351 CF8	ASTM A351 CF8M	ASTM A351 CF3	ASTM A351 CF3M
2	Seat	PTFE / PPL
3	Ball	ASTM A105 + ENP	ASTM A182 304	ASTM A182 316	ASTM A182 304L	ASTM A182 316L
4	Stem	ASTM A182 F6a	ASTM A182 304	ASTM A182 316	ASTM A182 304L	ASTM A182 316L
5	Packing	Graphite
Applicable Media		Water, steam, oil, coal gas, liquefied gas, natural gas, etc.	Nitrose Corrosive Medium	Nitricacidl corrosive medium	Strong Oxidizer	Urea
Applicable temperature		≤ 120°C(RTFE), ≤ 250°C(PPL)
Design and Manufacturing		API 608
Face-to-Face Dimensions		ASME B16.10
Type of Connection		Flange (ASME B16.5)
Pressure Test		API 598
Transmission Mode		Manual, worm and worm gear transmission, pneumatic, electric

Pressure Rating (Class): 150

NPS	DN	d	d1	L	D	D1	D2	f	b	N-Φd	W	H	Weight (Kg)
1½” × 1¼”	40	32	38	165	125	98.5	73	2	13	4-Φ16	150	100	6
2″ × 1½”	50	38	50	178	150	120.5	92	2	14.5	4-Φ19	200	132	8
3″ × 2″	80	50	75	203	190	152.5	127	2	17.5	4-Φ19	300	163	15
4″ × 3″	100	75	100	229	230	190.5	157	2	22.5	8-Φ19	350	178	29
6″ × 4″	150	100	150	394	280	241.5	216	2	24	8-Φ22	500	230	54

Pressure Rating (Class): 300

NPS	DN	d	d1	L	D	D1	D2	f	b	N-Φd	W	H	Weight (Kg)
1½” × 1¼”	40	32	38	190	155	114.5	73	2	19.5	4-Φ22	150	100	9
2″ × 1½”	50	38	50	216	165	127	92	2	21	4-Φ19	200	132	11
3″ × 2″	80	50	75	283	210	168.5	127	2	27	8-Φ22	300	163	22
4″ × 3″	100	75	100	305	255	200	157	2	30.5	8-Φ22	350	178	40
6″ × 4″	150	100	150	403	320	270	216	2	35	12-Φ22	500	230	81

Specification Applications

High-Temperature Industrial Pipelines – Used in steam, thermal oil, and hot fluid systems requiring stable sealing at elevated temperatures.
Chemical & Petrochemical Processing – Suitable for high-temperature chemical media where compact design and leak-tight shut-off are essential.
Power Generation & Heat Transfer Systems – Applied in boilers, heat exchangers, and auxiliary lines handling hot gases or liquids.
HVAC & District Heating Networks – Ideal for high-temperature water and heating circuits with limited installation space.
Industrial Utilities & Equipment Lines – Commonly used in furnaces, dryers, reactors, and other equipment requiring reliable high-temperature isolation.

Valve Actuation

Process Optimization

Precision Engineering

Pipeline Solutions

Industrial Valves

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