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GN 818

Stainless Steel-Indexing plungers

AISI 316 (A4), with and without rest position

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GN 818-B

Stainless Steel-Indexing plungers

without rest position, with Plastic-Knob, without lock nut

GN 818-BK

Stainless Steel-Indexing plungers

without rest position, with Plastic-Knob, with lock nut

GN 818-BN

Stainless Steel-Indexing plungers

without rest position, with Stainless Steel-Knob, without lock nut

GN 818-BKN

Stainless Steel-Indexing plungers

without rest position, with Stainless Steel-Knob, with lock nut

GN 818-C

Stainless Steel-Indexing plungers

with rest position, with Plastic-Knob, without lock nut

GN 818-CK

Stainless Steel-Indexing plungers

with rest position, with Plastic-Knob, with lock nut

GN 818-CN

Stainless Steel-Indexing plungers

with rest position, with Stainless Steel-Knob, without lock nut

GN 818-CKN

Stainless Steel-Indexing plungers

with rest position, with Stainless Steel-Knob, with lock nut

Description

Specification

Types

Type B: without rest position, with Plastic-Knob, without lock nut

Type BK: without rest position, with Plastic-Knob, with lock nut

Type BN: without rest position, with Stainless Steel-Knob, without lock nut

Type BKN: without rest position, with Stainless Steel-Knob, with lock nut

Type C: with rest position, with Plastic-Knob, without lock nut

Type CK: with rest position, with Plastic-Knob, with lock nut

Type CN: with rest position, with Stainless Steel-Knob, without lock nut

Type CKN: with rest position, with Stainless Steel-Knob, with lock nut

Stainless Steel AISI 316 A4

Plunger pin chemically nickel plated

Knob

Plastic (Type B / BK / C / CK)

Polyamide (PA)

black, matte

Stainless Steel (Type BN / BKN / CN / CKN)

AISI 316

not removable

Spring

Stainless Steel AISI 316 Ti

Information

GN 818 Stainless Steel-Indexing plungers are set apart by the materials used, allowing these plungers to withstand particularly corrosive environments.

Indexing plungers with a rest position are used for such applications where the plunger has to stay in its retracted position. In that case, the knob is retracted and afterwards turned by 90°. A notch keeps the plunger in this position.

Technical information

Load rating information

ISO-Fundamental Tolerances

Stainless Steel characteristics

Plastic characteristics

GN 818-BK

	d₁ Pin -0.02/-0.05 Bore H7	l₁	d₂	d₃	k	l₂	l₃	l₄	A/F	Spring load in N ≈ initial	Spring load in N ≈ end
Code													Actions
GN 818-4-4-BK-A4	4	4	M8x1	16	14	35	16	5	10	3.5	11	13
GN 818-4-6-BK-A4	4	6	M8x1	16	14	35	16	5	10	3	11	14
GN 818-5-5-BK-A4	5	5	M10x1	19	16	40	18	6	12	3	12	20
GN 818-5-8-BK-A4	5	8	M10x1	19	16	40	18	6	12	3	14	24
GN 818-6-6-BK-A4	6	6	M12x1.5	23	20	48	22	6	14	4.5	16	40
GN 818-6-9-BK-A4	6	9	M12x1.5	23	20	48	22	6	14	4	20	37
GN 818-8-8-BK-A4	8	8	M16x1.5	28	24	58	26	8	17	6	23	83
GN 818-8-12-BK-A4	8	12	M16x1.5	28	24	58	26	8	17	7	26	82
GN 818-10-12-BK-A4	10	12	M16x1.5	28	24	58	26	8	17	7.5	32	88
GN 818-12-15-BK-A4	12	15	M20x1.5	33	28.5	71.5	33	10	22	9	32	163

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