3 x M3 x 8 Width across flat 14 1/8 (Rc, NPT, NPTF) 20.5 Width across flat 27 4 x M4 x 8 1/8 (Rc, NPT, NPTF) Width across flat 14 Width across flat 27 20.5 4 x M5 x 10 1/8 (Rc, NPT, NPTF) Width across flat 17 Width across flat 30 24 Model A 40 50 ZPT40H�ｭ�h25- -A18 ZPT40H�ｭ�h50- -A18 ZPT40H�ｭ�h75- -A18 ZPT50H�ｭ�h25- -A18 ZPT50H�ｭ�h50- -A18 ZPT50H�ｭ�h75- -A18 B 42 52 C 63 98 134 63 98 134 D 118.5 153.5 189.5 118.5 153.5 189.5 Model A 63 80 ZPT63H�ｭ�h25- -A18 ZPT63H�ｭ�h50- -A18 ZPT63H�ｭ�h75- -A18 ZPT80H�ｭ�h25- -A18 ZPT80H�ｭ�h50- -A18 ZPT80H�ｭ�h75- -A18 B 65 82 C 14.5 16.5 F 121.5 156.5 192.5 123.5 158.5 194.5 D 26 28 E 66 101 137 68 103 139 Y 3.5 4.5 Model A 100 125 ZPT100H�ｭ�h25- -A22 ZPT100H�ｭ�h50- -A22 ZPT100H�ｭ�h75- -A22 ZPT100H�ｭ�h100- -A22 ZPT125H�ｭ�h25- -A22 ZPT125H�ｭ�h50- -A22 ZPT125H�ｭ�h75- -A22 ZPT125H�ｭ�h100- -A22 B 103 128 C 78 114 154 189 78 114 154 189 D 152 188 228 263 152 188 228 263 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 ZPT 40 H N J 25 B01 A18 Aluminum alloy Brass + With bushing Steel + With bushing Buffer body material 9.5 to 10.5 N・m 9.5 to 10.5 N・m 28 to 32 N・m 45 to 50 N・m 48 to 52 N・m 75 to 80 N・m M18 x 1.5 M22 x 1.5 With buffer Pad diameter 40 50 63 80 100 125 Pad diameter o40 o50 o63 o80 o100 o125 Symbol Buffer body material ( ) J JB JF Material Aluminum alloy Brass + With bushing Steel + With bushing Symbol 25 50 75 100 o40 �択択�. o50 �択択�. o63 �択択�. o80 �択択�. o100 �択択択� o125 �択択択� Stroke Buffer stroke (��) Vacuum inlet thread size B01 N01 T01 Thread size Rc1/8 NPT1/8 NPTF1/8 Symbol Mounting thread size A18 A22 Thread size M18 x 1.5 (o40 to o80) M22 x 1.5 (o100, o125) Symbol Nut Tightening Torque Mounting thread size (N・m) H HB Type Heavy-duty (Flat with rib) Heavy-duty (Bellows) Symbol Buffer Specifications (Rotating) Pad diameter o40 to o80 6.9 N 11.8 N At 0 stroke At full stroke Stroke (mm) Spring reactive force o100, o125 10 N 15 N 25, 50, 75 25, 50, 75, 100 Dimensions Dimensions Dimensions Replacement Part No. ZPT40.�ｭ 25-(B/N/T)01-A18 ZPT40.�ｭ 50-(B/N/T)01-A18 ZPT40.�ｭ 75-(B/N/T)01-A18 ZPT50.�ｭ 25-(B/N/T)01-A18 ZPT50.�ｭ 50-(B/N/T)01-A18 ZPT50.�ｭ 75-(B/N/T)01-A18 ZPT63.�ｭ 25-(B/N/T)01-A18 ZPT63.�ｭ 50-(B/N/T)01-A18 ZPT63.�ｭ 75-(B/N/T)01-A18 ZPT80.�ｭ 25-(B/N/T)01-A18 ZPT80.�ｭ 50-(B/N/T)01-A18 ZPT80.�ｭ 75-(B/N/T)01-A18 ZPT100.�ｭ 25-(B/N/T)01-A22 ZPT100.�ｭ 50-(B/N/T)01-A22 ZPT100.�ｭ 75-(B/N/T)01-A22 ZPT100.�ｭ 100-(B/N/T)01-A22 ZPT125.�ｭ 25-(B/N/T)01-A22 ZPT125.�ｭ 50-(B/N/T)01-A22 ZPT125.�ｭ 75-(B/N/T)01-A22 ZPT125.�ｭ 100-(B/N/T)01-A22 ZP40.�ｭ ZP50.�ｭ ZP63.�ｭ ZP80.�ｭ ZP100.�ｭ ZP125.�ｭ ZPB-T1 25-(B/N/T)01 ZPB-T1 50-(B/N/T)01 ZPB-T1 75-(B/N/T)01 ZPB-T1 25-(B/N/T)01 ZPB-T1 50-(B/N/T)01 ZPB-T1 75-(B/N/T)01 ZPB-T2 25-(B/N/T)01 ZPB-T2 50-(B/N/T)01 ZPB-T2 75-(B/N/T)01 ZPB-T2 25-(B/N/T)01 ZPB-T2 50-(B/N/T)01 ZPB-T2 75-(B/N/T)01 ZPB-T3 25-(B/N/T)01 ZPB-T3 50-(B/N/T)01 ZPB-T3 75-(B/N/T)01 ZPB-T3 100-(B/N/T)01 ZPB-T3 25-(B/N/T)01 ZPB-T3 50-(B/N/T)01 ZPB-T3 75-(B/N/T)01 ZPB-T3 100-(B/N/T)01 With three M3 bolts With four M4 bolts With four M5 bolts Model Pad unit part no. Buffer assembly part no. Note 1) . in the table indicates the pad type. Note 2) �ｭ in the table indicates the pad material. Note 3) in the table indicates the buffer body material. How to Order Pad material (�ｭ) NSUFE Material NBR Silicone rubber Urethane rubber FKM EPR Symbol Vacuum inlet direction Vertical Dimensions: With Buffer 40 ZPT 5 0 H�ｭ ��- 0 1 -A18 ZPT H�ｭ ��- 0 1 -A18 63 80 ZPT H�ｭ ��- 0 1 -A22 100 125 Pad type ( ) Series ZP 1230