The TLV BV1 is a stainless steel full bore ball valve of three-piece design for steam, water, and air. It features tight gland sealing and a handle lock feature to prevent accidental operation. The valve seats are made of heat-resistant carbon fiber-filled PTFE, and the stem is double-sealed with a heat-resistant carbon fiber-filled PTFE gland and two FPM O-rings. All internal body surfaces are machined for optimal performance.

(Note: The manual also covers the BV1L, which is a reduced bore variant with a lower maximum operating temperature.)

Features

• Valve seats made of heat resistant carbon fiber-filled PTFE.
• Stem is double-sealed with a heat resistant carbon fiber-filled PTFE gland and two FPM O-rings.
• All internal body surfaces machined.
• Equipped with a handle lock feature which prevents handle operation resulting from accidental contact, etc.

Specifications

Model	BV1	BV1L
Connection	Screwed	Screwed
Valve Port	Full Bore	Reduced Bore
Size	1/2", 3/4", 1", 1 1/4", 1 1/2", 2", 2 1/2", 3"	-
Max. Operating Pressure (PMO)	1.0 MPaG (10 barg)	1.0 MPaG (10 barg)
Max. Operating Temperature (TMO)	185 °C	100 °C
Applicable Fluid	Steam, Water, Air	Hot & Cold Water, Air

PRESSURE SHELL DESIGN CONDITIONS (NOT OPERATING CONDITIONS)

Maximum Allowable Pressure (PMA): 1.0 MPaG (10 barg) Maximum Allowable Temperature (TMA): 185 °C Do not use for toxic, flammable or otherwise hazardous fluids. To avoid abnormal operation, accidents or serious injury, DO NOT use this product outside of the specification range. Local regulations may restrict the use of this product to below the conditions quoted.

Materials

No.	Description	Material	DIN*	ASTM/AISI*
1	Body	Cast Stainless Steel A351 Gr.CF8	1.4312	-
2	Stem Seal O-Ring	Fluorine Rubber FPM	FPM	D2000HK
3	Thrust Washer	Carbon fiber-filled PTFE	PTFE	PTFE
4	Stem	Stainless Steel SUS304	1.4301	AISI304
5	Gland	Stainless Steel SUS304	1.4301	AISI304
6	Gland Packing	Carbon fiber-filled PTFE	PTFE	PTFE
7	Handle	Stainless Steel SUS304	1.4301	AISI304
8	Spring Washer	Stainless Steel SUS304	1.4301	AISI304
9	Handle Nut	Stainless Steel SUS304	1.4301	AISI304
10	Ball	Cast Stainless Steel A351 Gr.CF8	1.4312	-
11	Valve Seat	Carbon fiber-filled PTFE	PTFE	PTFE
12	Body Gasket	Fluorine Resin PTFE	PTFE	PTFE
13	Body End Cap	Cast Stainless Steel A351 Gr.CF8	1.4312	-
14	Body Bolt	Stainless Steel SUS304	1.4301	AISI304
15	Body Nut	Stainless Steel SUS304	1.4301	AISI304
16	Handle Stop Nut**	Stainless Steel SUS304	1.4301	AISI304
17	Stop Nut Bolt**	Stainless Steel SUS304	1.4301	AISI304
18	Spring Washer**	Stainless Steel SUS304	1.4301	AISI304
19	Lock Plate	Stainless Steel SUS304	1.4301	AISI304

* Equivalent materials. ** Sizes 1/2" to 2".

Dimensions

BV1 Screwed (mm)

Size	L	H	H1	W	Weight (kg)
1/2"	71	80	55	100	0.6
3/4"	81	87	60	130	0.8
1"	90	101	72	150	1.1
1 1/4"	104	115	78	150	1.9
1 1/2"	116	127	86	180	2.6
2"	133	141	94	180	3.8
2 1/2"	168	194	135	260	7.4
3"	189	215	145	260	11

* BSP DIN 2999, other standards available.

Handle Lock Feature

Allows the handle to be secured in the open/closed positions by sliding the handle lock plate into the valve body.

Sizes 1/2" to 2"

Sizes 2 1/2" to 3"

Installation & Operational Considerations

Installation

Before installing the product, blow out the piping to remove any piping scraps, dirt, oil and scale. Failure to do so may lead to damage caused by foreign matter. Do not remove the product from its package until just prior to installation.

Operation

Use only in the full open and full closed positions. Avoid using the product in a partially open position. Prolonged use in a partially open position may cause damage to the valve seat resulting in leaks.