Ham-Let H-300U SERIES Data Sheet

INTEGRAL-BONNET

NEEDLE VALVES

H-300U SERIES

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<![endif]>VALVES & ACTUATORS

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<![endif]>VALVES & ACTUATORS

FEATURES

Certified for ISO 15848-1:2006(E)

Straight and angle pattern

Stainless steel and brass construction

MAWP 5000 psi (345 bar), MAWT 446°F (230°C) Flow coefficient (Cv) 0.09 to 1.8

Sizes: 1/8" to 3/4" (3mm-12mm)

Round plastic, round aluminum, and metal bar handles

Variety of stem types

Packing bolt for easy panel mounting, no packing disassembling is required

Chevron stem packing provides lowest operation torques

Belleville washers to compensate packing wear Special synthetic, anti-seize stem lubricant for best resistance to hot media

						1
	MATERIAL OF CONSTRUCTION
	No.	Component		Qty.	Material
	1	Handle		1	Phenolic	2
	2	Set Screw		1	St.St.316
	3	Packing Bolt		1	St.St.316
	4	Belleville Washer		2	St.St.302
	5	Gland		2	St.St.316
	6	Upper Packing		1	PTFE	3
	7	Bottom Packing		1	PTFE
	A	Regulating Stem		1	St.St.316 with surface treatment	4
	B	V-Stem		1	St.St.316 with surface treatment
	8	Non-Rotatin Stem		1	St.St.316 with surface treatment
	C
	D	Soft Seat Stem		1	St.St.316 with surface treatment
	9	Panel Nut		2	St.St.316	6
	10	Body		1	St.St.316	5
						7

Packing bolt enables easy mounting with the packing remaining untouched

8

Belleville washers improve valve sealing, compensate for

wear, and reduce the need for packing adjustment.

Chevron packing reduces
packing bolt tightening
torque, consequentially
reducing the Valve operating	9
torque.

Stem diffusion surface hardening provides the best galling resistance and protection from wear and corrosion.

10

236 INTEGRAL-BONNET NEEDLE VALVES H-300U SERIES