Yoshitake FV-2A is a radiator valve designed to use with radiators for heating using steam. It features a totally leakage-free bellows packless design and is usable for both steam and cold/hot water applications.

Features

• Totally free of leakage due to bellows pack less type.
• Complete close with a fluororesin disc.
• Usable for not only steam but cold and hot water.

Specifications

Application	Steam (cold and hot water)
Maximum pressure	0.3 MPa
Maximum temperature	150 °C
Body material	Bronze
Union material	Brass
Valve disc material	Fluororesin
Connection	Inlet: JIS Rc screwed Outlet: JIS R screwed (union joint)

Dimensions and Weights

Nominal size	d	L1	L2	H1	H2	H3	H4	D	Weight (Angle type) (kg)	Weight (Straight type) (kg)
15A	1/2	65	35	28	101	17	95	15	0.5	0.6
20A	3/4	75	38	33	108	21	101	20	0.66	0.78
25A	1	86	42	38	117	25	109	25	0.96	1.02
32A	1-1/4	102	52	44	130	28	117	25	1.39	1.54

INFO

The straight type is designated as FV-2S.

Materials Construction

No.	Part Name	Material	Standard	Qty
15	Union Nut	Brass	C3771	1
14	Union Nipple	Brass	C3771	1
13	O Ring	EPDM	EPDM	1
12	Set Screw	Rolled Steel	SS400	1
11	Washer	Carbon Steel	SWRH	1
10	Handle	Synthetic Resin		1
9	Spindle Grip	Phosphor Bronze	C5191	1
8	Bellows	Phosphor Bronze	C5212	1
7	Spindle	Brass	C3604	1

Maximum Flow Rate (For Steam)

Nominal size	Differential pressure 0.05 MPa	0.1 MPa	0.15 MPa	0.2 MPa	0.25 MPa	0.3 MPa
15A	16	21	25	30	35	40
20A	28	36	44	52	60	71
25A	44	57	70	83	98	111
32A	64	84	103	122	142	161

(Unit: kg/h)

WARNING

Since this table shows the maximum discharge, set a sufficient safety factor.