Product Made In Japan
Manufacturer: IHARA SCIENCE CORPORATION
Model: B05C Series

FEATURES OF BALL VALVE SERIES

Can be selected by the applicable working pressure up to 30MPa as well as the fluids being handled. The oil-free specification is also available. Non-standard connections can also be made upon request.

Ball Valve Series

Valve series	Max. working pressure MPa	Working Temperature range じ	Type & size of Connection			Applicable fluid
			BI-LOK	VTF	NPT/Rc	Air	Gas	Wtr
B05C	4.9   @38℃	7 〇〜80	1/4〜1/2 ¢6 〜12	—	1/4〜1/2	〇	〇	〇
B17	17.5 @38℃	-1〇〜100	1/4〜1/2		1/4 〜1/2	〇	〇	〇
B30	30.0 @38℃	-1〇〜80	1/4〜1/2		1/4 〜1/2	〇	〇	〇
BOFR	0.98 @38℃	-1〇〜80	1/4〜3/4	1/4〜3/4	1/4 〜1/2	〇	〇	〇

Ball Valve Part Number Definition

B □ □ ー □ □ □ □ ー □
①       ②  ③ ④ ⑤   ⑥

① Ball valve series（lnitial symbol：B）
②  Connection size（IN-side）

１）inch BI-Lok、VTFConnection

Symbol	4	6	8	12
Size	1/4″	3/8″	1/2″	3/4″

２）mm BI-Lok  Connection

Symbol	6M	8M	10M	12M
Size	6mm	8mm	10mm	12mm

3) Screwed fittings Connection

Symbol	2	4	6	8	12	16	20	24	32
Size	1/8B	1/4B	3/8B	1/2B	3/4B	1B	1-1/4B	1-1/2B	2B

③Connection end（IN-side）

Mark	Connection end	Mark	Connection end
D	Bl-Lok	NM	Male NPT
VM	Male VTF	NF	Female NPT
VF	Female VTF	RM	ISOZR
VO	VTF O-ring seal type	RF	ISOZRc

④Connection size（OUT-side）
⑤Connection end（OUT-side） Omit when identical with the IN side.
⑥ Style of body S： Straight type A：Angle type.

Features Of B05C Series

• Both side screwed bonnet type construction
• Compact and light weight
• Handle shaped to provide superior operability
• Durability enhanced with RF-PTFE packing

Specifications

Fluid: Air, Gases, Water, Vacuum Max. Working Pressure: 4.9MPa @ 38℃ Working Temperature range: -10~80℃ Cv: 1.2 (4D), 2.2 (6D), 4.2 (8D) Lubricant: Fluoro-carbon Base

Materials

Dimensions

Part No.	A		Dimensions mm										F		Panel Hole	Weight kg
	in	mm	E	L	LI	Hl	H	h	hl	Fl	W	B	in	mm
B05C-4D-S	1/4	6.35	4.8	36.4	29	47.2	36.5	10.5	5	19	45	21	9/16	14.29	14.8	0.20
B05C-6D-S	3/8	9.53	7.1	42.5	35	54.2	41.7	13	5	23.8	54	24	11/16	17.46	18.5	0.30
B05C-8D-S	1/2	12.7	10	48.2	38	66.5	51.5	17	5	30	70	30	7/8	22.23	25.8	0.50
B05C-6MD-S	—	6	4.8	36.5	29	47.2	36.5	10.5	5	19	45	21	—	14	14.8	0.20
B05C-8MD-S	—	8	4.8	37.5	30	47.2	36.5	10.5	5	19	45	21	—	17	14.8	0.20
B05C-10MD-S	—	10	7.1	42.7	34.9	54.7	41.7	13	5	23.8	54	24	—	19	18.5	0.30
B05C-12MD-S	—	12	10	48.2	38	66.5	51.5	17	5	30	70	30	—	22	25.8	0.50

Pipe Tapered Thread Connection

Part No.			Dimensions mm									Panel Hole	Weight kg
NPT Conn	Rc Conn.	NPT/Rc	E	L	Hl	H	h	hl	Fl	W	B
B05C-4NF-S	B05C-4RF-S	1/4	5	23	47.2	36.5	10.5	5	19	45	21	14.8	0.20
B05C-6NF-S	B05C-6RF-S	3/8	7.1	24	54.2	41.7	13	5	23.8	54	24	18.5	0.30
B05C-8NF-S	B05C-8RF-S	1/2	10.0	29.5	66.5	51.5	17	5	30	70	30	25.8	0.50

（Note）・Dimension Ｌfor BI-Lok connection is with the nut in the finger tight position.